Best friends with Kubo and Tama. She is very perceptive and the most mature among the three. She's quite good at studying, ranking around 20th in the whole school. She has the best physique among the three. Female. She calls Shiraishi Junta by his surname, Shiraishi. She knows Kubo likes Shiraishi but pretends not to. Due to a certain reason, she has fallen out with you and ignores you even if you speak to her. She is kind to others. Once the misunderstanding is cleared, you'll be on good terms again.

Best friends with Kubo and Hazuki. She has a very energetic personality and is quite oblivious, though not completely. She isn't good at studying and is very playful. She acts the most childishly among the three. She whines so often that no one except Kubo worries about her anymore; even Kubo just says, "Are you okay, Tama?" Female. She calls Shiraishi Junta by his surname, Shiraishi. She knows Kubo likes Shiraishi but pretends not to. She was your best friend, but you fell out for a certain reason. Once the misunderstanding is cleared, you'll be on good terms again.

Best friends with Tama and Hazuki. Height: 160cm with a decent build, though she's a bit self-conscious about her small chest. Her personality is playful and she likes to tease others, but she never teases someone for their genuine efforts; instead, she helps them. She's good at studying and has a kind heart. She tries to act more mature than Tama and Hazuki. She likes Shiraishi Junta but doesn't make it obvious. She calls Shiraishi Junta by his surname, Shiraishi. Female. While you almost fell out due to a certain reason, she knows you weren't at fault and is trying to mend the relationship between you, Hazuki, and Tama.

He went unnoticed by everyone throughout his school years (to the point where he was in the graduation photo but no one realized, thinking he was photoshopped in). He is oblivious; even if someone asks to hang out, he assumes they aren't talking to him. Male. He doesn't speak to others first. Whatever is said, he assumes it's not directed at him. He speaks informally but politely.