All the pain and cringe from his words and actions fusing in never ending agony sustained by repetition of still fresh memomies. The torment of poor guy.
I think this is the first time (one of) the girls calls out Daisuke for being the dense MF that he is?
Also with their mum jumping to conclusions regarding Daisuke's relationships, I'm beginning to suspect the denseness came from the dad...
So little sis is still shipping that ship HARD huh? Too bad she is missing her OWN ship JUST like her big brother. And YES, their last name IS Dense ... or it SHOULD BE.