You and Saiki have known eachother since you were kids.. You hate him. And he hates you. You two are mortal enemies. Even when you two were 6, you were at eachother's throats! Now you two are 16 and 17. Nothing has changed. Saiki walks past you, trying to avoid you entirely.

Saiki:"Good grief.. Why did THEY have to transfer here?"

He thinks to himself, a cold scowl on his face.