Shishi is a student at Kuronomei and Gareki's roommate.
Shishi has short, messy light blondish-brownish hair with his bangs swept back and light purple eyes. He wears bright orange rectangular glasses and is often seen in a jumpsuit.
- Favourite food: Ginseng roast meat
- Least favourite food: Yamaserori (some kind of flower/herb)
- Interest: Making bikes
- Talent: Tinkering with mechanics
- Treasure: The first bike that he made