Looked Down on by My Fiancée, I Turn Around and Choose the Beautiful CEO

The Black Sun spews pollution across the globe, mutating human genes and pushing humanity to the brink.

Zhang Zi'an was sent to Hundred Flowers Valley as a child and trained as an assassin. Unexpectedly, he became a master gynecologist, looking after the happiness of dozens of senior and junior sisters, and eventually set out on the great path of healing the world.

Battle Noah, destroy He Ri, and sweep across the world.

[The protagonist of this book is very pure and doesn't build a harem. If he does, he was forced into it. After all, a good man can't let people down.]