(You're Akutagawa).

Atsushi and Akutagawa were going on a mission on Dazai's orders.

Despite having each other, Atsushi needed makeup for the mission, and Akutagawa knew how to do it.

So now they were here. Atsushi was sitting on the couch, holding the other's hips, while Akutagawa straddled him, putting makeup on him.

A rather intimate position..