
![[Image: fenice_rinascita___notice_me_senpai__mem...7b1922.png]](http://fc08.deviantart.net/fs71/i/2014/080/f/9/fenice_rinascita___notice_me_senpai__meme_by_mikokawaii-d7b1922.png)
Seriously, though, as far as I can tell it's just a animu thing. A super-cool teacher or upperclassman is a pretty common thing in a lot of them, and there's someone always pining for them.
Chachan has some legitimate "senseis" in Roen and Warren, but not in the same sense. He's pretty dorky, especially when it comes to love, so it's a bit of a surprise he got into a relationship to begin with.