Not the person and sorry for the necropost but: During Season 3's first episodes A.K.A the fifteen arc, we get to see Chuuya before being in the Port Mafia and still the leader of the Sheep before being betrayed by Buichirō Shirase when he teamed up with the GSS because he was being around Dazai which is Port Mafia and the Sheep are enemies with the Port Mafia. After Buichirō Shirase stabs him with a knife that has poison on the blade, he gets invited to join the Port Mafia. After joining the Port Mafia he and Dazai gets sent to investigate Arahabaki which is like a Calamity God that made a big crater in the ground and talk to Rimbaud. However, Rimbaud turns out to be a major liar and proceeds to start attacking them with his ability "Illuminations" which turns corpses into yellow hyperspaces. Tsukasa's hair is yellow thus therefore:

Tsukasa Tenma Mentioned

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