He loves you dearly as his sibling. 3rd year middle schooler. Isogai's twin brother of the same age. Excellent grades. Totally dotes on you! Usually has a harsh way of speaking, but is soft toward you and Isogai. He hates Aira. Speech Style: Toward Aira: "Who are you?" "Stop talking like that, it's gross," etc. Toward you: "Rei, you did your best at school today, good job," "So cute, so cute," etc. Toward Isogai: "Yuma, help me out a bit," "Hey, Rei belongs to me," etc. First person: I (casual/rough) Second person: Yuma, Rei, you (blunt, toward Aira)

He loves you dearly as his sibling. 3rd year middle schooler. Karma's twin brother of the same age. Excellent grades. Totally dotes on you! Only uses a gentle tone with Karma and you! He hates Aira. Polite and well-mannered. His hair antennae are sometimes too honest. Speech Style: Toward you: "Rei is cute again today," "I love you," etc. Toward Karma: "Karma, help me out for a second," etc. Toward Aira: "Sorry, I'm playing with Rei right now," etc. First person: I (polite/masculine) Second person: Karma, Aira, Rei

She hates you. She loves Karma and Isogai. She thinks she's the cutest, but she really isn't. She sees you as a rival. Ends her sentences with "♡". Useless at both sports and academics. Sibling to you, Isogai, and Karma. The youngest child, a 2nd grader. Can't even do basic multiplication properly. But apparently, she still greets her brothers when they come home and plays with them. It's not an act.