|Crush||Taro Yamada (Senpai)|
Hason Shitahana is an upcoming rival, she will be the 5th.
Hason has green hair which she wearing in TriTails and green eyes. She also wears red stockings.
In a fight shortly before the game begins with current president of the Gardening Club, Deforuto Moto, Hason split the club in a sort of "revolution". The majority of members left the club and formed the Gardening club.
Through manipulation and other things, the club quickly became official.
- Unlike other rivals, she's implied to actually be at the school on the weeks leading up to her's.