30001 4 years ago sfw anime otomad 和楽器バンド Ryu☆ Touhou Higedriver Cream Puff Rurouni Kenshin Nico Nico Douga vocal percussion showdown Kiwami Symphony ～The KYM Forever【二晩の極み】 Bad Apple / Dadadadadada / Mermaid Girl / Because Princess Inada is Scolding Me Futae no Kiwami