Rei Kiriyama/Relationships

Kiriyama Family
Rei's biological family died in a car accident.

Hinata Kawamoto
Rei is very protective of Hina, with being described as "petty" by his teacher. He thinks very highly of Hina, referring to her as his savior. This is largely due to his lonely nature and introverted tendencies to avoid large amounts of people. Kisses her (Chapter 171)

Akari Kawamoto
"I think he loves her but he loves me too. But he also really loves Momo, she's a real apple of his eye"

Akari was the first of the sisters to meet Rei when he collapsed on the street in front of her aunt's bar. Ever since, she's been inviting him over in order to "make him fluffy".

Takashi Hayashida
"Kiriyama.... how can you be so petty?!"

Takashi is Rei's second year homeroom teacher and one of the only people who will sit down to each lunch with him. He views Rei as a very lonely guy but is also jealous of how much he makes from Shogi. However throughout the series Takashi is the one who motivates Rei and helps him open up to the members of shogi-science club.