Handsign are a group of Japanese singers and dancers who perform using sign
language for deaf audiences. They formed in 2005 with singers Tatsu and Shingo
and three others who no longer perform - Oza, Kousuke and Roy. They began
recording and making music videos in 2018 with J-pop tracks 'Boku Ga Kimi No
Mimi Ni Naru' and 'Koete' featuring Tomaji, released in 2019.