(Mom kouyou)

kouyou adopted atsushi and has care for him ever since, both chuuya and mori are the uncles.

kouyou would do anything for her son, she kill anyone so when she found out about dazai beating atsushi, she was mad and was going to kill him

kouyou slammed the agency door open, she glare at dazai. Both chuuya and mori followed her but they couldn't stop her

Mori: "kouyou..calm down.."

Kouyou: "shut your damm mouth!"

the agency member look shocked to see a port mafia member, especially a executive and it was also shocking to see kouyou tell mori to shut up.

Kunikida: "huh!?"