Iwaihime

Each generation, the sons of the Susuhara family strike out on their own when they reach the right age.

Self-reliantly they refine their minds and their bodies, until at last they become men.
Suzumu has prepared for this day for a long time, learning the skills that he will need.

Living alone, he attends Susuda Prefectural High School.
He should have joined as a freshman, and not as a transfer—but he was delayed.

His days are not only easy but pleasant.
In his Class 2-A, everyone is having fun.

But there's her. Toé Kurokami.
She's... certainly a wonder. How else to describe her?

She never lets go of the Japanese doll that she hugs constantly to her chest.
There are whispers that its hair grows when nobody is looking. That it's cursed.
It's no wonder they whisper. That's one creepy doll.

That Suzumu's path crosses hers could be fate...

Could be? Not “could be.” It's fate.

[From Steam page]