Kagami Junichirou is known as a genius physicist. He wrote a thesis at a young age of 17, and it was even published by "Nature," a prominent science journal. After college, he devoted himself to being an otaku...

I met my childhood friend again, and she had become a beautiful and innocent girl. "It's been a while, Hayato.""Haruki, is it?" In the past, I used to play in the mud with my childhood friend in the countryside...