Xin Jia comes from an affluent family. She was Han Chen's neighbor back when they were children. Their parents were well-acquainted, so both of them knew each other from way back.
Character
Character: Haruka Fujisaki
Haruka is Konatsu's classmate, and also the class president of her class. Haruka has an outgoing and cheerful personality. He is also very kind and helpful to Konatsu.
Character: Kitou Hijiri
Kitou Hijiri is a smart, handsome, and capable student. He is the valedictorian of his grade. Strangely, he failed his test only for Ayano's class by submitting an empty script. Turns out, Ayano holds a special place in his heart.
Character: Liu Wen Zhao
Liu Wen Zhao is the main housekeeper of the affluent Jin family. He had lost both his parents at a young age. Thus, his aunt Liu Ru Yue, who is the head of Jin family took him and his younger sister in. While he lived in the residence, he quickly learned the ropes of housekeeping and management.
Character: Tamaki Marui
Tamaki is an energetic and cute boy whose original form is a tamago sushi. Although he looks very young, he is actually the same age as the protagonist (18 years old). He is a great help to the sushi restaurant due to his cooking skills. However, Tamaki can act spoilt, and gets jealous easily.
Character: Carpenter
The carpenter had crafted multiple chairs, one of which is used by Togawa Yoshiko, a renowned writer. Coincidentally, he is also a fan of her.
Character: Carpenter’s Descendant
The character is unnamed throughout the manga. He is self-proclaimed descendent of the carpenter, who had crafted a gigantic armchair and lived in it.
Character: Manager
The character is simply referred to as manager throughout the manga. The manager owns a small café, with only himself and another girl, Sonezaki Majyu, to run the store. Due to his creepiness, his café had a hard time finding new employees until Aotsuki came by.
Character: Allegra Campana
Allegra is a petite lady who owns her own boutique. Despite her cute appearance, she has a tremendous temper and is a force to be reckoned with.
Character: Vincent Pait
Vincent is a 30-year-old man who holds in high ranking position in the regional bank. He values hard work and obedience. He met the protagonist when they came into the bank to ask about a job poster.
Yanderes and Obsession 