Youta "The Sun" Tada is an ordinary high school boy who, as you might expect, dies within eight pages of his introduction. He wakes up, finding himself in a fantasy world where he is literally the only male. Can Youta survive in a world which has no resistance to the Sunny D?

An isekai story from the author of Elfen Lied and Brynhildr in the Darkness. Trust me, you know what you're getting into.