A Demon King Reincarnated in a Crossover Battle Date Is the Natural Enemy of Spirits

Why does an ordinary glass of water turn into a shattered mess the moment I squeeze the glass?

I could have lived a peaceful life with my little sister, Sora Kasugano, but my empty wallet protested first. After thinking it over, I had no choice but to ask my relatives in far-off Tengu City for help.

But why did I run 200 meters in an insane five seconds during gym class, right before transferring schools?

At last, Shirakawa Toru reached a conclusion: he seemed to be way too strong.

Every day, he has to stop himself from punching his obnoxious distant cousin, Tanikaze Amane, right in her sleeping face.

We'd barely started class when the Spatial Quake sirens sounded outside. What? A day off again?

Why did the golden-haired angel from my dreams become real? Why is the source of the Spatial Quake a beautiful girl in an Astral Dress? And why is the Sword in the Stone at the shrine a floating little girl?