"On the culture festival day everyone should give a pink heart cut-out to the person they like.
You could find your soulmate!!!"

(Girl's narrative) I had a cold view of that sort of thing.
If there was someone I loved, would that be what brings us together?
Even if I loved my sensei? And he was much older? What then?

A quiet girl named Shiho becomes close with her 52-year-old teacher.

[From English DLsite]