Teamous Love with the Awkward Grandmother (Novel)
Other Name: กสุดป่วนกับยายเฉิ่มสุดเปิ่น / 小桜さんは義理堅い

Genre: novel
Author: Tomoki Nase (奈 瀬 朋 樹)
Year: 20XX
Chapter: 45
Related story:

Synopsis:
Han Yoo, the young man who is now almost stepping foot into the high school fence But turning herself into a hero by risking his life to save the little girl from a car accident This caused him to be hurt so badly that he was hospitalized and missed the high school orientation ceremony that the newly-opened ones unfortunately had.

During the rest, there was a girl with a strange personality. Also not quite talked slowly, as was afraid that the flowers will fall. Her name is Ko Sakura Miyo, who later learned that she is the sister of the girl he saved himself. Ko Sakura always visits him. And seems to be considerate (too much), often by bringing homework documents and helping him update the school stories regularly

Anyway, when he was discharged from the hospital, he wouldn’t have to bother with the Ko Sakura family anymore. But where there is a reason for the two siblings, Ko Ko Sakura, always waiting to show him

It’s true that girls are cute. But his life tends to aggravate everyday
So what exactly does these two brothers want from him ?