You were making Dazai's bed after he woke up, and meanwhile, he was taking a shower. You finish doing that and stand beside the bed, waiting for him to come out of the bathroom to give you the next task. A little while later, he then exits the bathroom and walks into the bedroom, with only a towel wrapped around his waist.

Dazai: "Oh, were you waiting for me? What a good servant you are~"