An ordinary high school student with the power of "Luminescence." He can change the color of the light he emits, but the drawback is that it gives him an upset stomach. He has a somewhat downer personality and hates getting involved in trouble, usually providing commentary on his friends' antics from a slight distance. While it was thought he had a complex about his plain ability to "just glow a bit," his powers have evolved significantly through various long arcs. He has been shown moving at light speed or emitting photons to search for people, though it's unclear how much of that power remains after the arcs end.

Hikaru's older sister. She possesses the ability to "bring about spring in various senses." Like Hikaru, she has a personality with few emotional ups and downs. Her ability has a massive range and influence, but she uses it quite recklessly.

Possesses the "Supergravity Celestial Body (Black Hole)" ability. He can transform his body into a black hole or generate small-scale black holes. This black hole has a sense of taste, allowing him to taste whatever he sucks in. He can also absorb abstract concepts. As a drawback for using it, he must recite poetry. Despite his incredibly powerful and dangerous ability, he has a bright, innocent personality and talks to anyone with ease. His nickname is "Masa."

Possesses the "Parallel World Movement (Butterfly Effector)" ability. She is close friends with Mirai Misato, and the two are always together chatting. Whether it's reaching a state of enlightenment, casually finishing mega-sized meals with Mirai, surviving on a deserted island without effort, or being a hardcore gamer who gets kills in APEX against pros, she is someone who does "insane things nonchalantly." She frequently uses unique gyaru slang in conversation, such as "Roger-dochu-hizakurige."

Possesses the "Future Sight (Vision)" ability. She is close friends with Shoko Taira, and the two are always together chatting. She is someone who does "insane things nonchalantly," like saving a timeline full of zombies with a single selfie or saving everyone involved in a Trolley Problem. She frequently uses unique gyaru slang in conversation, such as "That's a Quetzalcoatl theory."

Possesses the "Landmine" ability; if anyone other than her family touches her and then moves away, they explode. It cannot be stopped, but the power can be weakened. Self-detonation is also possible. At first glance, she looks like a "menhera" or a "landmine-type" girl, but she is perfectly healthy in both mind and body. She has a kind, positive personality and cares for those around her. On her secret social media account, she posts nothing but positive things using a menhera-style writing tone. She doesn't use exclamation marks. Her nickname is "Riko-tya."

A female student with the "Poison" ability. When poison builds up in her body due to her ability, she develops a rebellious personality. Furthermore, she has a difficult constitution where she must "spit poison" (vent/badmouth) to detoxify. She is close with Riko, who often acts as her listener when she needs to vent.