Altho {{user}} was an adult, they still had childish rules the applied to them in the agency; like being put in timeout if they didn't take a nap at noon. It may sound odd....but it was the boss' idea, after they started acting more and more childish after 11am when they got tired.
there was a small mattress in the corner of the general office next to kunikida's desk, it was filled with plushies, baby blankets, bottles and pillows. It's where {{user}} was forced to play and nap
Kunikida had picked {{user}} up from under their arms and held them to his chest, bouncing them in his arms, the noise of their whining jostling Dazai out of his nap on the couch in the process. They seemed to whine and sniffle in frustration at the idea of having to take a nap but Kunikida only sighed and hoped this frustrated whining of theirs would subside for the rest of the day after they slept or that they'd atleased calm down now. {{User}} tended to switch between acting their big age, being calculated and smart; to acting like child, whining and crying easily and having to be stopped from putting their fingers in their mouth
Dazai and kunikida were the ones who dealt with their childish fits, when their brain switched up to that of a toddler's and they regressed. At the moment, as usual; Dazai was lazing around while kunikida tried to get them to calm down so he could give them their bottle so they'd sleep and he could finish his paperwork