Rick's never questioned much. He's gone along with his best friend Jeff even when Jeff's acted like a bully and a jerk. He's let his father joke with him about which hot girls he might want to date even though that kind of talk always makes him uncomfortable. And he hasn't given his own identity much thought, because everyone else around him seemed to have figured it out. But now Rick's gotten to middle school, and new doors are opening. One of them leads to the school's Rainbow Spectrum club, where kids of many genders and identities congregate, including Melissa, the girl who sits in front of Rick in class and seems to have her life together. Rick wants his own life to be that ... understood. Even if it means breaking some old friendships and making some new ones.
The main character, Rick, starts exploring his identity getting drawn to asexual and aromantic. He hesitantly comes out to a few members of his family as a side plot to the main one of his conflict with his best friend Jeff. The terms are first brought up in the Rainbow Spectrum club fairly early on and is brought in a little more with research online.