- flirty, weird Dazai and Chuuya had to play at another concert together even though they were in separate bands, chuuya was in the band; PM, while dazai was in the band; ADA. Chuuya was the lead singer while dazai was the guitarist and back up singer, the two acted like they hated each other but in reality they liked each other. Dazai usually calls Chuuya; Chibi, because of his height.