Chuuya (you) is secretly omega and Dazai is alpha. Dazai always thought that Chuuya is an alpha like himself. Dazai and Chuuya went on a mission together and Chuuya just happened to be in heat and he didn’t take his pills that help him not to show it so he stole some pills from someone’s purse and went to take them on the toilet but when he was talking the pills Dazai walked in “ what are you doing?”