にせんねんもんだい12inch vinyl、坂本慎太郎デザインのアートワーク完成！
It semms that we can share the sleeve of NISENNENMONDAI’s 12inch vinyl, and this sleeve is directed and designed by Shintaro Sakamoto.
official twitter: https://twitter.com/nisennenmondai0
official tumblr: http://nisennen.tumblr.com/