Kuranosuke is the son of a rich political family. He uses the alias "Kurako" in front of the other Amars to hide his gender. He enjoys cross-dressing, to the chagrin of his family.

A Hastur (alien species), who attended the same space kindergarden and space elementary school with Nyaruko and Chtuko. Despite Hastur's appearence, Hastur is actually a boy. Nyaruko and Cthuko call him "Hasuta-kun". He possess the power of air, and is known to be stronger than both Nyaruko and Cthuko, since he was the one who always stopped their fight during space elementary school.

Second year in Kasensou Private Prepatory Academy. Mayuri's classmate. Has the personality of a polite, well-groomed and justified kind of beautiful girl (though a guy). Uses honorifics specifically with Rintarou. Doesn't push his opinions much upon others, but when he does he's quite bashful and blushes quite a bit. Because he's quite serious by nature, he simply believes what others say.

Saika is a member of the tennis club who has a feminine appearance, but prefers others to not mistake his gender. He is called "The Prince" by his female classmates. On their first meeting, Saika asks help from Hachiman to join the tennis club, which was brushed off by Yukino. Saika then asked the service club to help him improve his tennis skills. He eventually became one of the few people in class 2F who would talk to Hachiman, and often hangs out with Hachiman.

A cross-dressing boy who attends Ame no Kisaki as a girl as a means to win the chairmanship of both the all-male and all-female schools where his late grandmother served as the ex-chairman for both. He deeply respects and loves his grandmother and does not care about actually winning chairmanship. He simply wishes to honour his grandmother's request. He appears to genuinely care about others though this façade is often hidden through some excuse he has crafted for himself. When Kanako first meets Mariya, she is instantly attracted to his playful femininity and kind attitude. However, Mariya turns out to be quite sadistic in nature and generally adjusts his personality to reflect whatever situation he is in.