Aihara Isshin

 (相原一心) is a founding member of ONE LOVE ONE HEART and former research student of BATTLE BOYS (SENDAI).

He joined BATTLE BOYS in 2015 and graduated as a trainee when he made his debut as a member of ONE LOVE ONE HEART on March 30, 2022.

Profile

 * Name: Aihara Isshin (相原一心)
 * Nickname: -
 * Birthday:
 * Birthplace:
 * Zodiac:
 * Blood Type:
 * Height:
 * Hobbies: Walking
 * Special Skill: Lateral Jumps
 * Motto: Hard work never betrays (努力は裏切らない)
 * Countries I want to visit: France, Switzerland, other European countries
 * Favorite Place in Shibuya: SCRAMBLE SQUARE SHIBUYA SKY

National Selection S (5th Single B-Side)

 * Beautiful

BATTLE BOYS SENDAI

 * ebidence [Sendai Ver.]
 * KIZUNA (SENDAI)

Albums

 * LOVE1

Digital Singles

 * Now or Never
 * Parade wa Yameta
 * Honjitsu wa Seiten Nari
 * You&Me
 * Aoi Kokoro

Trivia

 * His favorite foods are sweets, burgers and any food that is good.
 * He likes to go for walks in the city, but does not like going alone.
 * He states that it feels scary to be alone, he would not enter shops when shopping unless he is with someone.
 * There was an incident where he walked alone around Tokyo for 4 hours without entering any shops.