The heroines all regret it!

My name is Beishangye, I am 17 years old, I am 176 in height and 147KG in weight, and I am studying in the private Shuzhiin High School.
Dead fat house is synonymous with me.
My favorite teacher is Ai Shanglu, and my favorite director is Lei Huojian. I have always dreamed of being the protagonist in their works!
spring outing.
The underwear of Kaolin no Hana-senpai and Kasumigaoka Shiwa in the school is missing.
I'm listed as the first and only suspect...
Main world view: Harmony, the heroine of passers-by, Gabriel, Miss Kaguya, Sakurasou
Independently added characters: Kirisu Mafuyu, Izumi Sagiri, Tokisaki Kurumi, the Quintessential Sisters, Sakurajima Mai, Kitagawa Kaimeng, ... I won't list them one by one in the follow-up.