Shiroiwa Ruki

 (白岩瑠姫) is a member of JO1.

He became a member of the group through Produce 101 Japan, in which he placed 6th.

Profile

 * Name: Shiroiwa Ruki
 * Birthday: November 19th, 1997
 * Birthplace: Tokyo, Japan
 * Zodiac: Scorpio
 * Blood Type: O
 * Height: 176cm
 * Position: Rapper

Studio Albums

 * The STAR

Singles

 * PROTOSTAR
 * STARGAZER
 * CHALLENGER
 * STRANGER
 * WANDERING

Digital Singles

 * Tsutaerareru Nara (伝えられるなら)

Trivia

 * His name is written with the kanji in "white" (白), "rock" (岩), "lapis lazuli" (瑠), and "princess" (姫).
 * His hobbies are band activities, such as singing and songwriting, and playing the guitar.
 * His special skills are playing the guitar and soccer.
 * His debut pledge for Produce 101 Japan was that he'd write a new song and perform it for the National Producers.
 * He thinks his charm point is his eyes.
 * His favorite colors are white and black.
 * His favorite foods are barbeque, hamburgers, and korokke.
 * The things he hates the most are insects and demons.
 * He thinks a person's scent and hair are the most attractive.
 * He is friends with Asakawa Masaki from BLACK IRIS.
 * He is the only member without a catchphrase.