1. Chihiro Fujisaki: He's like...a reverse-reverse transgender person.

2. Teruteru Hanamura: Near the beginning of the game, after Usami's just given them swimsuits, the group goes out to the beach to swim. Teruteru brings sunstan lotion, and when Nekomaru asks for Teruteru's help applying it, Teruteru says, "Eh? Rubbing lotion on a muscular man...? All right, no problem! My tastes are pretty open, you know!"

3. Rantaro Amami: He's very heavily hinted at being aroace.

4. K1-B0: Being a robot, Kiibo claims to have not really thought of his gender identity before. In a scene where the pool area has just been unlocked, a set of dialogue between Tenko, Shuichi, and Kiibo could be taken as a hint that Kiibo doesn't really identify with anything.

5. Kokichi Oma: I think he's canonically pansexual?

6. Tenko Chabashira: It is very heavily implied that she's lesbian.

7. Kaede Akamatsu: Literally the first time she interacts with Tsumugi, she's observing her curves, like-

8. Mondo Owada: Kiyotaka Ishimaru's existence.

9. Kiyotaka Ishimaru: Mondo Owada's existence.

There's more, but I can't remember them, so-

Yeah-