Flowers bloom halfway, the Kaguya-sama sky stretches endlessly. Snow falls, whiter than linen, feathers fall, longing and affection endure. A youth campus romance novel. Involves elements of Oregairu, Bokuto!!, Saekano, Kaguya-sama: Love Is War, Honkai Impact 3rd... 1. This book relates to quantum mechanics, magic, and Honkai energy. 2. Most of the female leads are initially very likable; the reasons will be explained later. A true harem. 3. This book is written with love; if you don't like it after a few chapters, please delete the book and leave. Don't criticize it unnecessarily.