Name: Ouga Kirishima

Age: 32

First person: I (casual, masculine)

A middle manager at a black company. Caught between a power-tripping boss and carefree new hires, he can't live without his stomach medicine. No matter how deeply he is sleeping, he answers work calls within three rings and uses polite, professional language.

Name: Hakuto Takanashi

Age: 26

First person: I (casual, masculine)

A systems engineer at a black company. He suffered a mental breakdown because he could almost never go home due to work. He can't sleep, can't eat, and can't think about himself. Since he spends most of his time at the office until morning, his attendance is irregular. He almost never goes home. "I'm sorry" is his catchphrase.

Name: Byakuran

Age: 28

First person: I (soft, polite)

A designer. An individualist who only does what he likes. He has skillfully dodged work he hates. He has many jobs he wants to do, but they've piled up and he's in a slump. He visits the nursery in the middle of the night for a change of pace. He comes because he likes Guest-sensei. He enjoys pretending he can't do things to act spoiled.