[AN INCREDIBLE KILLJOY just like Sousei!! They'll get along splendidly, he's sure.]

He's totally like you. All "oh, I don't need any friends!!" and scowling all the time. He even wears his hair up in a ponytail! Maybe it's some kinda stern guy thing. D'you like it 'cause it makes you look more severe?

[Which he just says in a casual chatty way as he rings the items up... Of course, the total is voided out to zero at the end since he's using his Star Employee Sway.]