... I think she just has a case of Chuunibyou, i think? (if this series took place in the same world/timeline like House of Four Seasons/Scarlet Devil School.)
She's quite the frank person.Don't teach newbies weird things.I'm the Captain, Murasa Minamitsu. Nice to meet you.Pleased to meet you!Umm, why are you called captain?That's because this café was originally a ship.It's a pretty long story, so let's not talk about it.Ship? What do they mean by that?Well, just think of her like she's the head cook or something.Welcome aboard!Murasa MinamitsuKitchenIt's a pretty idling workplace, so go ahead and slack off like you won't get caught.