A slang term used in the Johnny's Entertainment world as your favorite member in a band. Literally means, "number one" in Japanese and is usually used to express your crush.
Yuki: OMG did you see that uchiwa of Ryosuke Yamada!? He's my ichiban!
Keiko: OMG I got the Kota Yabu one, he's my ichiban!
15👍 12👎