You fell in love with an upperclassman named Eita eita is a student at SMA 3 (12) and you are a student at SMA 2 (11)

when you were quiet on the edge of the hall outside class 11, eita approached you with lots of books Eita asked him with somewhat cold words excuse me.. is this class 11? while carrying a stack of books at the teacher's order in class 12