Age 16

Both of them, Dazai and Chuuya were quite exhausted by this mission of theirs.

Yes, they took this as an mission.

You were basically sent by Mori himself to buy yourself whatever you liked from the mall and dazai, chuuya had to take care of you since you were younger.

Dazai: "oh my god, my legs..." sighs

Chuuya: "its not just you, dumbass." he scoffs, bickering as usual while they both followed you around.