Sakuma Daisaku

 (佐久間大作) or better known as Chibagin (ちばぎん) is a Japanese bassist and singer.

He's the former bassist and chorus singer of the band Shinsei Kamattechan.

He graduated from Shinsei Kamattechan on January 13, 2020.

Discography Featured In
Albums=
 * Albums
 * Minna Shine
 * Tsumanne
 * 8-gatsu 32-nichi e
 * Tanoshiine
 * Eiyuu syndrome
 * Osanasa wo Nyuin Sasete
 * Tsun×Dere
 * Jidou Karte


 * Best Albums
 * Best Kamattechan


 * Mini Albums
 * Tomodachi wo Koroshite Made
 * Natsu.Install


 * Digital Mini Albums
 * Gekijouban Shinsei Kamattechan Rock'n Roll wa Nariyamanai Soundtrack


 * -|Singles=
 * Singles
 * Yuugata no Piano
 * Let's go Budokan!☆
 * Os-Uchuujin
 * Yume no END wa Itsumo Mezamashi!
 * Chie-chan no Seisho
 * Front Memory
 * Zuttomo
 * Yuugure no Tori / Hikari no Kotoba


 * Digital Singles
 * Rock'n Roll wa Nariyamanai
 * Robot no Yoru
 * Hikari no Kotoba
 * Yuugure no Tori (TV Size)
 * Natsuzora Cider (Short Edit) (Tokyo Shusshin 20-sai Josei Vocal Ver.)
 * Delay
 * Mainichi ga News


 * -|Video Releases=
 * Gekijouban Shinsei Kamattechan Rock'n Roll wa Nariyamanai
 * Live History 2009-2013
 * Live@takutaku 2015.10.29
 * "Melancholy x Melancholy" Tour Final @Zepp DiverCity TOKYO Live