diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentListFragment.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentListFragment.kt
index ea7621a0..1a78a652 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentListFragment.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentListFragment.kt
@@ -92,14 +92,29 @@ class CharacterCommentListFragment : BaseFragment<FragmentCharacterCommentListBi
             onClickMore = { item, isOwner, anchor ->
                 CharacterCommentMoreBottomSheet.newInstance(isOwner).apply {
                     onReport = {
-                        Toast.makeText(requireContext(), "신고되었습니다 (stub)", Toast.LENGTH_SHORT).show()
+                        // 더보기 닫히고 신고 BottomSheet 열림
+                        val reportSheet = CharacterCommentReportBottomSheet.newInstance()
+                        reportSheet.onSubmit = { reason ->
+                            // 신고 API 스텁 호출 지점
+                            Toast.makeText(requireContext(), "신고 접수: $reason (stub)", Toast.LENGTH_SHORT).show()
+                        }
+                        reportSheet.show(childFragmentManager, "comment_report")
                     }
                     onDelete = {
-                        val index = adapter.items.indexOfFirst { it.commentId == item.commentId }
-                        if (index >= 0) {
-                            adapter.items.removeAt(index)
-                            adapter.notifyItemRemoved(index)
-                        }
+                        // 삭제 확인 팝업
+                        androidx.appcompat.app.AlertDialog.Builder(requireContext())
+                            .setTitle(getString(R.string.confirm_delete_title))
+                            .setMessage(getString(R.string.confirm_delete_message))
+                            .setPositiveButton(getString(R.string.confirm)) { _, _ ->
+                                // 삭제 API 스텁 호출 지점
+                                val index = adapter.items.indexOfFirst { it.commentId == item.commentId }
+                                if (index >= 0) {
+                                    adapter.items.removeAt(index)
+                                    adapter.notifyItemRemoved(index)
+                                }
+                            }
+                            .setNegativeButton(getString(R.string.cancel), null)
+                            .show()
                     }
                 }.show(childFragmentManager, "comment_more")
             },
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReportBottomSheet.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReportBottomSheet.kt
new file mode 100644
index 00000000..6b6a401e
--- /dev/null
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReportBottomSheet.kt
@@ -0,0 +1,96 @@
+package kr.co.vividnext.sodalive.chat.character.comment
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TextView
+import androidx.core.os.bundleOf
+import androidx.core.view.isVisible
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment
+import kr.co.vividnext.sodalive.R
+
+/**
+ * 댓글/답글 신고 BottomSheet (Stub)
+ * - 제목: 신고
+ * - 신고 이유 단일 선택 목록(String List 주입 가능, 미주입 시 기본 목록 사용)
+ * - 최하단 신고 버튼(선택 전 비활성화, 선택 후 활성화)
+ * - 신고 버튼 클릭 시 onSubmit(reason) 콜백 호출 후 닫기 (API 스텁 호출은 콜백 쪽에서 처리)
+ */
+class CharacterCommentReportBottomSheet : BottomSheetDialogFragment() {
+
+    var onSubmit: ((String) -> Unit)? = null
+
+    private var reasons: ArrayList<String>? = null
+    private var selectedIndex: Int = -1
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        reasons = arguments?.getStringArrayList(ARG_REASONS) ?: DEFAULT_REASONS
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        val view = inflater.inflate(R.layout.dialog_character_comment_report, container, false)
+        val tvTitle = view.findViewById<TextView>(R.id.tv_title)
+        val llList = view.findViewById<LinearLayout>(R.id.ll_reason_list)
+        val btnReport = view.findViewById<Button>(R.id.btn_report)
+        val ivClose = view.findViewById<ImageView>(R.id.iv_close)
+
+        tvTitle.text = getString(R.string.report_title)
+        btnReport.isEnabled = false
+
+        val items = reasons ?: DEFAULT_REASONS
+
+        // 동적 리스트 구성: 단일 선택
+        items.forEachIndexed { index, text ->
+            val itemView = inflater.inflate(R.layout.item_report_reason, llList, false)
+            val tvText = itemView.findViewById<TextView>(R.id.tv_reason)
+            val ivCheck = itemView.findViewById<ImageView>(R.id.iv_check)
+            tvText.text = text
+            ivCheck.isVisible = index == selectedIndex
+            itemView.setOnClickListener {
+                selectedIndex = index
+                // 전체를 다시 그릴 정도는 아니므로 자식들만 순회하며 체크 상태 갱신
+                for (i in 0 until llList.childCount) {
+                    val child = llList.getChildAt(i)
+                    val check = child.findViewById<ImageView>(R.id.iv_check)
+                    check?.isVisible = i == selectedIndex
+                }
+                btnReport.isEnabled = true
+            }
+            llList.addView(itemView)
+        }
+
+        ivClose.setOnClickListener { dismiss() }
+        btnReport.setOnClickListener {
+            val idx = selectedIndex
+            if (idx in items.indices) {
+                onSubmit?.invoke(items[idx])
+                dismiss()
+            }
+        }
+
+        return view
+    }
+
+    companion object {
+        private const val ARG_REASONS = "arg_reasons"
+
+        private val DEFAULT_REASONS = arrayListOf(
+            "스팸/광고", "욕설/비하", "음란물/불건전", "개인정보 노출", "기타"
+        )
+
+        fun newInstance(reasons: ArrayList<String>? = null): CharacterCommentReportBottomSheet {
+            return CharacterCommentReportBottomSheet().apply {
+                arguments = bundleOf(ARG_REASONS to reasons)
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/character/detail/CharacterDetailActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/detail/CharacterDetailActivity.kt
index 69dc5d91..1c6660e7 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/character/detail/CharacterDetailActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/detail/CharacterDetailActivity.kt
@@ -13,6 +13,7 @@ import coil.load
 import coil.transform.CircleCropTransformation
 import kr.co.vividnext.sodalive.R
 import kr.co.vividnext.sodalive.base.BaseActivity
+import kr.co.vividnext.sodalive.chat.character.comment.CharacterCommentListBottomSheet
 import kr.co.vividnext.sodalive.chat.talk.room.ChatRoomActivity
 import kr.co.vividnext.sodalive.common.LoadingDialog
 import kr.co.vividnext.sodalive.common.SharedPreferenceManager
@@ -226,14 +227,14 @@ class CharacterDetailActivity : BaseActivity<ActivityCharacterDetailBinding>(
             binding.llCommentsSection.setOnClickListener(null)
             if (detail.totalComments > 0) {
                 binding.llCommentsSection.setOnClickListener {
-                    val sheet = kr.co.vividnext.sodalive.chat.character.comment.CharacterCommentListBottomSheet(detail.characterId)
+                    val sheet = CharacterCommentListBottomSheet(detail.characterId)
                     sheet.show(supportFragmentManager, "character_comments")
                 }
             }
             if (
                 detail.totalComments > 0 &&
                 detail.latestComment != null &&
-                !detail.latestComment.comment.isNullOrBlank()
+                detail.latestComment.comment.isNotBlank()
             ) {
                 binding.llLatestComment.visibility = View.VISIBLE
                 binding.llNoComment.visibility = View.GONE
@@ -256,10 +257,7 @@ class CharacterDetailActivity : BaseActivity<ActivityCharacterDetailBinding>(
                     }
                 }
 
-                val commentText = latest.comment
-                binding.tvLatestComment.text = if (!commentText.isNullOrBlank()) {
-                    commentText
-                } else {
+                binding.tvLatestComment.text = latest.comment.ifBlank {
                     latest.memberNickname
                 }
             } else {
diff --git a/app/src/main/res/layout/dialog_character_comment_report.xml b/app/src/main/res/layout/dialog_character_comment_report.xml
new file mode 100644
index 00000000..7b5da9c2
--- /dev/null
+++ b/app/src/main/res/layout/dialog_character_comment_report.xml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@color/color_131313"
+    android:orientation="vertical"
+    android:padding="16dp">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/tv_title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/report_title"
+            android:textColor="@color/white"
+            android:textSize="16sp"
+            android:textStyle="bold"
+            tools:ignore="RelativeOverlap" />
+
+        <ImageView
+            android:id="@+id/iv_close"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:layout_alignParentEnd="true"
+            android:contentDescription="@null"
+            android:src="@drawable/ic_circle_x_white" />
+    </RelativeLayout>
+
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:layout_marginTop="12dp"
+        android:background="#78909C" />
+
+    <LinearLayout
+        android:id="@+id/ll_reason_list"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:orientation="vertical" />
+
+    <Button
+        android:id="@+id/btn_report"
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:layout_marginTop="16dp"
+        android:backgroundTint="@color/color_3bb9f1"
+        android:enabled="false"
+        android:text="@string/report_button"
+        android:textColor="@color/white" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_report_reason.xml b/app/src/main/res/layout/item_report_reason.xml
new file mode 100644
index 00000000..15a68dfa
--- /dev/null
+++ b/app/src/main/res/layout/item_report_reason.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    android:paddingVertical="12dp">
+
+    <TextView
+        android:id="@+id/tv_reason"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:textColor="@color/white"
+        android:textSize="15sp"
+        android:text=""/>
+
+    <ImageView
+        android:id="@+id/iv_check"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:contentDescription="@null"
+        android:src="@android:drawable/checkbox_on_background"
+        android:visibility="gone"/>
+</LinearLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2b82738a..2bdaa47d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -34,4 +34,12 @@
     <string name="status_sending">전송 중</string>
     <string name="status_failed">전송 실패</string>
     <string name="status_sent">전송 완료</string>
+
+    <!-- Character comment report strings -->
+    <string name="report_title">신고</string>
+    <string name="report_button">신고</string>
+    <string name="confirm_delete_title">삭제</string>
+    <string name="confirm_delete_message">삭제 하시겠습니까?</string>
+    <string name="confirm">확인</string>
+    <string name="cancel">취소</string>
 </resources>