- Fan-Preferred Couple: Many fans seem to prefer Ayase/Seiji more than the official couple.
- Ho Yay: One-sided, from Kota as he gets to know Seiji in the manga; also Les Yay between a couple minor characters in the manga
- Moral Event Horizon: The crowd of students who did nothing to stop a helpless girl from getting dragged off by four guys who pretty much outright say they plan on raping her. You could hear the crowd whispering amongst themselves, saying that a stuck up girl like Ayase deserved it.
- One True Threesome: Kota briefly fantasizes about being in one with Seiji and Midori.
- Toy Ship: Shiori and Tohyama.
- Woolseyism: Kota spews off an idealistic speech about the beauty of understanding, throwing in a reference to the Earth as a spaceship.
Japanese gang member: Shut him up!English gang member: That's it: I'm killin' the Trekkie!