Ok, i got it, being Seija is suffering.

Cirno's logic seem flawless,lol.

Ugh, I often eat after I brush my teeth in the morning too. But well, working hour in Vietnam starts from 7 and we have to leave the house at 6~6:30 to make it in time. Can't really help it.

Demundo said:

Ugh, I often eat after I brush my teeth in the morning too. But well, working hour in Vietnam starts from 7 and we have to leave the house at 6~6:30 to make it in time. Can't really help it.

I think Cirno was saying Seija brushes her teeth right before a meal.