diff --git a/SodaLive/Sources/Live/Room/LiveRoomViewModel.swift b/SodaLive/Sources/Live/Room/LiveRoomViewModel.swift
index c25b00d..746afec 100644
--- a/SodaLive/Sources/Live/Room/LiveRoomViewModel.swift
+++ b/SodaLive/Sources/Live/Room/LiveRoomViewModel.swift
@@ -12,6 +12,19 @@ import Combine
 import AgoraRtcKit
 import AgoraRtmKit
 
+struct BigHeartParticle: Identifiable {
+    let id: UUID
+    var x: CGFloat
+    var y: CGFloat
+    var vx: CGFloat
+    var vy: CGFloat
+    var opacity: Double
+    var scale: CGFloat
+    var rotation: Double
+    var life: Double // 남은 수명 (초)
+    var size: CGFloat // 파편 기본 크기 (pt)
+}
+
 final class LiveRoomViewModel: NSObject, ObservableObject {
     
     private var agora: Agora = Agora.shared
@@ -213,6 +226,12 @@ final class LiveRoomViewModel: NSObject, ObservableObject {
     
     @Published var hearts: [Heart] = []
     
+    // Remote BIG-HEART (수신측) 물 채우기 + 폭발 파편 상태
+    @Published var isShowRemoteBigHeart: Bool = false
+    @Published var remoteWaterProgress: CGFloat = 0
+    @Published var remoteWavePhase: CGFloat = 0
+    @Published var bigHeartParticles: [BigHeartParticle] = []
+    
     var signatureImageUrls = [String]()
     var signatureList = [LiveRoomDonationResponse]()
     var isShowSignatureImage = false
@@ -221,12 +240,19 @@ final class LiveRoomViewModel: NSObject, ObservableObject {
     var heartTimer: DispatchSourceTimer?
     var periodicPlaybackTimer: DispatchSourceTimer?
     
+    // BIG HEART 관련 타이머
+    var remoteWaterTimer: DispatchSourceTimer?
+    var bigHeartParticleTimer: DispatchSourceTimer?
+    
     var isAvailableLikeHeart = false
     
     private var blockedMemberIdList = Set<Int>()
     
     private var hasInvokedJoinChannel = false
     
+    // 로컬 BIG_HEART 발신자: 원격 물 채움 연출 억제 플래그
+    private var suppressNextRemoteWaterFill = false
+    
     func getBlockedMemberIdList() {
         userRepository.getBlockedMemberIdList()
             .sink { result in
@@ -1937,7 +1963,15 @@ final class LiveRoomViewModel: NSObject, ObservableObject {
                                         self.addHeartMessage(nickname: nickname)
                                         
                                         totalHeartCount += heartCount
-                                        addHeart()
+
+                                        if messageType == .BIG_HEART_DONATION {
+                                            // 로컬 발신: 수신 알림 직후 즉시 폭발 연출만 보이고,
+                                            // 물 채움(1초)은 발신 측에서는 생략
+                                            self.suppressNextRemoteWaterFill = true
+                                            addBigHeartAnimation()
+                                        } else {
+                                            addHeart()
+                                        }
                                         
                                         self.invalidateChat()
                                     } else {
@@ -2048,6 +2082,136 @@ final class LiveRoomViewModel: NSObject, ObservableObject {
         heartTimer?.cancel()
         heartTimer = nil
     }
+
+    private func addBigHeartAnimation() {
+        // 로컬 발신 직후 1회는 원격 물 채움 연출을 생략하고 바로 폭발만 실행
+        if suppressNextRemoteWaterFill {
+            suppressNextRemoteWaterFill = false
+            spawnHeartExplosion()
+            startParticlesTimer()
+            return
+        }
+        // 그 외(원격 수신 포함): 1초간 물 채우기 → 폭발 파편 애니메이션
+        startRemoteWaterFill(duration: 1.0) { [weak self] in
+            self?.spawnHeartExplosion()
+            self?.startParticlesTimer()
+        }
+    }
+    
+    // MARK: - BIG HEART - Remote Water Fill
+    private func startRemoteWaterFill(duration: Double, completion: @escaping () -> Void) {
+        DispatchQueue.main.async { [weak self] in
+            guard let self = self else { return }
+            self.isShowRemoteBigHeart = true
+            self.remoteWaterProgress = 0
+            self.remoteWavePhase = 0
+            self.remoteWaterTimer?.cancel()
+            self.remoteWaterTimer = nil
+            let timer = DispatchSource.makeTimerSource(queue: DispatchQueue.main)
+            let dt: Double = 1.0 / 60.0
+            var elapsed: Double = 0
+            timer.schedule(deadline: .now(), repeating: dt)
+            timer.setEventHandler { [weak self] in
+                guard let self = self else { return }
+                elapsed += dt
+                let p = min(max(elapsed / duration, 0), 1)
+                self.remoteWaterProgress = p
+                self.remoteWavePhase += 0.35
+                if p >= 1.0 {
+                    self.remoteWaterTimer?.cancel()
+                    self.remoteWaterTimer = nil
+                    // 물 채움 종료 후 하트 숨김 처리
+                    self.isShowRemoteBigHeart = false
+                    self.remoteWaterProgress = 0
+                    self.remoteWavePhase = 0
+                    completion()
+                }
+            }
+            timer.resume()
+            self.remoteWaterTimer = timer
+        }
+    }
+    
+    // MARK: - BIG HEART - Explosion Particles
+    private func spawnHeartExplosion() {
+        // 중심(0,0)에서 폭발하는 작은 하트 파편 생성
+        // 색상은 View에서 #ff959a로 렌더링
+        var particles: [BigHeartParticle] = []
+        let count = Int.random(in: 20...35) // 요구사항: 파편 개수 20~35개
+        for i in 0..<count {
+            // 각도 분산 + 약간의 랜덤성
+            let baseAngle = (Double(i) / Double(count)) * .pi * 2
+            let jitter = Double.random(in: -0.35...0.35)
+            let angle = baseAngle + jitter
+            // 속도 (px/s)와 위로 향하는 바이어스
+            let speed = CGFloat.random(in: 220...360)
+            let vx = CGFloat(cos(angle)) * speed
+            var vy = CGFloat(sin(angle)) * speed
+            // 조금 더 위로 포물선을 그리도록 초기 위쪽 임펄스 추가
+            vy -= CGFloat.random(in: 120...220)
+            // 크기: 30~80pt
+            let size = CGFloat.random(in: 20...65)
+            let scale: CGFloat = 1.0 // 요구사항: 최종 크기 20~65 유지 (시간 경과에 따라 약간 축소)
+            let life: Double = Double.random(in: 1.0...1.5)
+            let particle = BigHeartParticle(
+                id: UUID(),
+                x: 0,
+                y: 0,
+                vx: vx,
+                vy: vy,
+                opacity: 1.0,
+                scale: scale,
+                rotation: Double.random(in: 0...360),
+                life: life,
+                size: size
+            )
+            particles.append(particle)
+        }
+        DispatchQueue.main.async {
+            self.bigHeartParticles = particles
+        }
+    }
+    
+    private func startParticlesTimer() {
+        DispatchQueue.main.async { [weak self] in
+            guard let self = self else { return }
+            self.bigHeartParticleTimer?.cancel()
+            self.bigHeartParticleTimer = nil
+            let timer = DispatchSource.makeTimerSource(queue: DispatchQueue.main)
+            let dt: Double = 1.0 / 60.0
+            let gravity: CGFloat = 600 // px/s^2
+            timer.schedule(deadline: .now(), repeating: dt)
+            timer.setEventHandler { [weak self] in
+                guard let self = self else { return }
+                var next: [BigHeartParticle] = []
+                next.reserveCapacity(self.bigHeartParticles.count)
+                for var p in self.bigHeartParticles {
+                    // 물리 업데이트
+                    p.vy += gravity * CGFloat(dt)
+                    p.x += p.vx * CGFloat(dt)
+                    p.y += p.vy * CGFloat(dt)
+                    // 회전 (속도에 비례한 간단한 모델)
+                    p.rotation += Double((abs(p.vx) + abs(p.vy)) * 0.02 * CGFloat(dt))
+                    // 수명/투명도 감소
+                    p.life -= dt
+                    let baseLife: Double = 1.2 // opacity 계산 기준
+                    p.opacity = max(0, min(1, p.life / baseLife))
+                    // 잔상감 주기 위해 살짝 스케일 감소
+                    p.scale *= 0.995
+                    if p.life > 0 && p.opacity > 0.01 {
+                        next.append(p)
+                    }
+                }
+                self.bigHeartParticles = next
+                if next.isEmpty {
+                    self.bigHeartParticleTimer?.cancel()
+                    self.bigHeartParticleTimer = nil
+                }
+            }
+            timer.resume()
+            self.bigHeartParticleTimer = timer
+        }
+    }
     
     private func invalidateChat() {
         messageChangeFlag.toggle()
@@ -2261,7 +2425,7 @@ extension LiveRoomViewModel: AgoraRtmClientDelegate {
                     } else if decoded.type == .BIG_HEART_DONATION {
                         self.addHeartMessage(nickname: nickname)
                         self.totalHeartCount += decoded.can
-                        self.addHeart()
+                        self.addBigHeartAnimation()
                     }
                 } catch {
                 }
diff --git a/SodaLive/Sources/Live/Room/V2/LiveRoomViewV2.swift b/SodaLive/Sources/Live/Room/V2/LiveRoomViewV2.swift
index c99b6ae..359b040 100644
--- a/SodaLive/Sources/Live/Room/V2/LiveRoomViewV2.swift
+++ b/SodaLive/Sources/Live/Room/V2/LiveRoomViewV2.swift
@@ -759,11 +759,37 @@ struct LiveRoomViewV2: View {
             }
         }
         .overlay(alignment: .center) {
-            WaterHeartView(progress: waterProgress, show: showWaterHeart, phase: wavePhase)
-                .frame(width: 280, height: 210) // 4:3 비율 유지
-                .allowsHitTesting(false)
-                .opacity(showWaterHeart ? 1 : 0)
-                .animation(.easeInOut(duration: 0.2), value: showWaterHeart)
+            ZStack {
+                // 로컬(롱프레스 중) 물 채우기 하트
+                WaterHeartView(progress: waterProgress, show: showWaterHeart, phase: wavePhase)
+                    .frame(width: 280, height: 210)
+                    .allowsHitTesting(false)
+                    .opacity(showWaterHeart ? 1 : 0)
+                    .animation(.easeInOut(duration: 0.2), value: showWaterHeart)
+                
+                // 원격 수신 시(또는 공통 트리거) 물 채우기 하트 - 1초 연출
+                WaterHeartView(progress: viewModel.remoteWaterProgress,
+                               show: viewModel.isShowRemoteBigHeart,
+                               phase: viewModel.remoteWavePhase)
+                    .frame(width: 280, height: 210)
+                    .allowsHitTesting(false)
+                    // 롱프레스 로컬 연출 중에는 원격 하트를 숨겨 중복 방지
+                    .opacity((viewModel.isShowRemoteBigHeart && !showWaterHeart) ? 1 : 0)
+                    .animation(.easeInOut(duration: 0.2), value: viewModel.isShowRemoteBigHeart)
+                
+                // 폭발 파편 (작은 하트, #ff959a)
+                ZStack {
+                    ForEach(viewModel.bigHeartParticles) { p in
+                        HeartShape()
+                            .fill(Color(hex: "ff959a"))
+                            .frame(width: p.size * p.scale, height: p.size * p.scale)
+                            .rotationEffect(.degrees(p.rotation))
+                            .offset(x: p.x, y: p.y)
+                            .opacity(p.opacity)
+                            .allowsHitTesting(false)
+                    }
+                }
+            }
         }
         .onReceive(heartWaveTimer) { _ in
             guard isLongPressingHeart else { return }