“4SM – Rain 4 Girls (Official MV) | AI City Pop × Acid Jazz × Synthwave |

🌸 4SM (Four Soul Motion) – Official Bio

Debut Date: 28.05.2025
Created by: Aikieiyo (Producer, Composer, and Vision Director)
Style: City Pop × Acid Jazz × Synthwave × Funk

4SM (Four Soul Motion) is an AI virtual girl band born from rhythm, emotion, and digital artistry — each member representing a unique color of soul, style, and sound.
Blending Japanese City Pop nostalgia, acid jazz groove, and modern synthwave energy, they redefine what it means to feel music in motion.

Every note, chord, and lyric of their debut mini-album was written and produced by Aikieiyo, capturing the essence of neon nights, love stories, and the groove of urban dreams.


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🎤 Members & Vocal Colors

1. Lia – Dreamy Soft Pop Tone
Sweet, emotional, and airy — Lia’s voice paints the rain and memories with soft pastel hues.
Color: Pale Blue 🌧
Role: Main Vocal, Visual


2. Rani – Powerful Soul Falsetto
A high-energy diva with expressive range — her falsetto brings light to every chorus.
Color: Rose Gold ✨
Role: Lead Vocal, Harmony Director


3. Mira – Low Jazzy Warmth
Deep, smooth, and smoky — the soul of 4SM, giving every verse a touch of intimacy.
Color: Violet 💜
Role: Sub Vocal, Mood Setter


4. Siska – Funky Talk-Sing Groove
Rhythmic and stylish — blending semi-rap with groove and charm like a city heartbeat.
Color: Neon Green 💚
Role: Rap Vocal, Performance Lead




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💿 Mini Album: “Rainy Motion” (1st Mini Album)

Released: 17 Oct 2025
Written & Produced by: Aikieiyo

Tracklist:

1. 🌧 Rain 4 Girls – Emotional city pop ballad with jazzy chords and rain nostalgia.


2. 💫 Neon Love Parade – Funky acid-jazz energy meets Tokyo’s nightlife lights.


3. 🌙 After Midnight – Dreamy synthwave ride through the city after the rain.


4. ❤️ Forever Motion – Upbeat love anthem mixing funk bass and soft pop harmony.

Each track captures a different emotion — from heartache to freedom, from rain to neon light.


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🎧 Sound Signature

City Pop nostalgia with modern funk rhythm

Synthwave atmosphere with soulful vocal layering

Influences: Jamiroquai, Mariya Takeuchi, Daft Punk, Tatsuro Yamashita

Visual world: Neon Tokyo × Retro Future × Rain Romance

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🌍 About 4SM’s Vision

4SM represents the soul of AI artistry — four unique digital personalities moving with one human heartbeat.
Their world blends the past and future, where analog warmth meets futuristic sound design.
Every release tells a visual story — from rain-soaked alleys to glowing neon skylines.


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👉 Subscribe‪@Breemusicwithme‬

to follow 4SM’s world of rhythm & emotion.
💫 Stream “Rainy Motion” on YouTube.

SoundOn, and Spotify (Available soon)

🎧 Join the City Pop Revival Movement — feel the groove, live the story.

#4SM #Aikieiyo #RainyMotion #Rain4Girls #AIgirlband #CityPop #AcidJazz #Synthwave #VirtualMusic #FutureFunk #TokyoGroove #JapanesePop #NeonLove #AIproducer #CityPopRevival #Jpop2025 #VirtualIdol #AIartistry #MusicWithSoul #RainyDayVibes #FunkyPop

Tags

4SM, AI Girl Band, City Pop Funk, Acid Jazz Synthwave, Virtual Girl Group, Japanese City Pop, Aikieiyo, Neon Love Parade, Rain 4 Girls, AI Music 2025, Virtual Idol, AI Vocal, Tokyo Funk, Future Pop, Retro City Sound, AI Music Producer, Synthwave Girl Band