Senpai ga Oyobidesu!

is a japanese 4-koma manga series written by Musshu. It began serialisation in the September 2017 issue of Manga Time Kirara Carat.

The series was released under 2 volumes from December 2018 to December 2019.

Synopsis
One day, Yorino Souma comes across the school Madonna, student council president Urushijima Kinako, collapsed from hunger. This event leads to a strange relationship between them that when Kinako finds herself in trouble, she only needs to blow on a dog whistle for Yorino to come to her aid.

(Source: MU)