[Light Novel] Astellism of Sankaku Instead of a childhood friend who has grown up, is the same age next to me (one book)

Publisher: KADOKAWA/AMW
Author: Hazuki, U35
Size: 105mm x 148mm
Number of books: 1
Language: Japanese
Category: Light novel
Latest release date: 2023-11-10

Synopsis:
I can't return to that time.
Passing triangle love story

A high school student Yuzuru Shinonome, who continued to sleep with a certain disease stopping his body growth.
Finely, after seven years, he woke up was the surroundings that grew up with himself.

Chito Amakawa, a childhood friend who thought both fragments, went to a teacher who was seven years older.
My sister, Amakawa, who thought she was a child, was a classmate of the same age.

For a long time of seven years, I gave a chance to the rare sky who could only be able to see the first love that did not come true and look at them.

"I like my brother the most in the world."

In the wake of a beautifully grown rare sky confession, the relationship between the three who had stopped began to move again.

"Even if I became a teacher, I wanted to spend my high school life with you.
Let's graduate together this time. Hey, Yu -kun "

"My brother, now I'm a girl of the same age as you.
Look at my sister, look at me now at the same temperature as the gaze. "

This is a story of love like a triangular star.