Koharu Rikka/Saros/Yumai Gotchu! / Synthesizerv English Cover

【Koharu Rikka/Saros/Yuma】I Gotchu! / ガッチュー！ (Giga)【SynthesizerV English Cover】

[Synthesizer V Koharu Rikka AI Lite] Singing in English (Duet with Miku V4 English)

【Koharu Rikka/JUN/MAI/KEVIN】grEAT Journey【SynthesizerV English Cover】

【JUN ft Koharu Rikka/Anri ARCANE】A Hero's Armor is Always Crimson【SynthesizerV English Cover 】

【Koharu Rikka/Yuma】You Coulda Died!【SynthV Talkloid】

Soubi's Talkloids

Koharu Rikka AI - The Portrait Glassred Drew - English SynthV Cover

【Koharu Rikka AI】MONSTER【Synthesizer V Cover】

【Koharu Rikka/NATALIE】Beheading Dance/首無演舞狂【SynthesizerV English Cover】

【Koharu Rikka】Kanaria - KING | Synthesizer V Cover

【SAROS】 Rekka 【Synthesizer V ENGLISH Cover】烈火

LuvP

Koharu Rikka - Undead Alice - Synthesizer V Remastered Cover

【Agoaniki ft. Koharu Rikka】Absolutely Average (已己巳己) - English Subtitles

Koharu Rikka & Natsuki Karin - MATORYOSHKA - Synthesizer V Cover

【Koharu Rikka AI】 Someone Who Sings Songs (ENG) 【SynthV cover】

【Koharu Rikka AI】 Nihonbashi Kokashita R Keikaku (English Vers.) 【SynthV Studio Pro】

Koharu Rikka - Close and Open, Demons and The Dead - Synthesizer V Remastered Cover

Koharu Rikka - The Pokémon Inside My Heart - Synthesizer V Cover

【Koharu Rikka/POPY】The Rumbling (TV Size)【SynthesizerV Cover】

Gothic and Loneliness【SynthV】【Koharu Rikka AI】Cover

【Synthesizer V Koharu Rikka AI】 sings The Kids are Alright [The Who cover]