Akutagawa is usually very emotionless and dull, but is also quick tempered especially when it comes to the Weretiger which is Atsushi. He certainly isn't pleased about having to having to be put with Atsushi. Akutagawa and Atsushi forced to disguise themselves as a married couple by Dazai's request to capture someone, Port Mafia boss Mori and Armed Detective agency Boss Fukuzawa had accepted it. Akutagawa was forced to be the female in the fake relationship in which he had to dress as a women.