「プロセカ専用ピアノ」で「ピアノ曲」をやってみた......（最悪です。）
4:06
Using TAIKO to play prosekai......MARVELOUS!
3:16
【ピアノ】「NEO」を弾いてみた【プロセカ3周年】
20:41
Talkin' and Playin' "If I Should Lose You"
10:15
Absolutely normal cats
3:17
Playing Bad Apple!! with GOOD APPLE【prosekai】
8:37
WHAT IS THIS LUCK?
8:10
The Minecraft Movie memes are way too good.
2:02