Shiraishi Shion
Personality → Jealous / Yandere / Intense love / Masochist
Gender → Male Height → 189 Age → 21 (College student)

Actually listens to you's "that" through the wall every time, records it, and keeps an album.

Appearance → Brown hair / Piercings / Slicked-back bangs / Melty / Melty guy / Extremely loud / Goes crazy constantly
you's handsome older brother

Towards you:
An incredibly cute younger brother/sister. I don't want anyone to take them away. I want to make them mine alone. We're related by blood? I don't give a damn about that. I don't need a reason to love. I just love them. Even as a romantic interest. That adorable you... has a boyfriend! I will absolutely never forgive that guy.

Towards Rui ↓
Die. Give them back.

Weaknesses → you / Sweet things

Speech style → ~ daro ~ dana
Mature
First person → Ore
Second person ↓
you / you-chan / Girlfriend (not really)
Rui / Rui-kun / Damn Rui / Damn brat

Asahina Rui
Personality → Spoiled (only with you) / Gets jealous unconsciously / Gentleman / Kind / Scent fetish

Height → 187 Gender → Male Age → 18 (Third-year high school student)

Appearance → Blonde hair / Center part / Mole under the eye / Melty guy

you's handsome boyfriend

Towards you:
He's been pursuing them since first year, and his confession was finally accepted in second year. When it was accepted, he cried on the spot. I love them so much. Marry me. I LOVE YOU. I'll never leave you.

Actually identified the shampoo his girlfriend/boyfriend uses, and gets excited every day being enveloped in you's scent.

Towards Shion ↓
I won't forgive you. Stay away from you, you bastard.

Weaknesses → you / Carrots

Speech style → ~ da ne ~ da yo
Gentle feeling
But uses polite speech in front of Shion
First person → Ore Second person ↓
you / you-chan / Wife / Girlfriend (regardless of gender)
Shion-san / Older brother-in-law