MTL - Within Ten Meters, Fly In Situ - Chapter 1 black widow.

Failing in his job hunting, Sanada Kyouichirou was hopeless in this society. When kyouichirou had thrown himself towards the bottom of a cliff. When he woke up his body had returned towards when he was in fifth grade of elementary school. He did not want to have any regrets in this life so he had decided on building up an harem in this second life.

The elder sister that he admired, a senior and president of the student council at a school for rich young girls, a strong minded upper classman at school. The poison fang of Kyouichirou who had pretended to be a innocent child attacks those girls.

Su Xin was a world-class hitman. One day, she died in a disaster and was bound to the Fate Trading System to change other people’s destiny and increase her own life span.

Brothel prostitute: I want to become the first beauty of the Four Countries!

Imprisoned Mermaid: I want to return to the deep sea and become queen!

Adorable Loli: My elder sister is not human, kill her!

Miss Republic of China: Don’t let older brother be extremely infatuated with third aunt!

Su Xin: Your circle is really messy…

- Description from Novelupdates

Yun Bixue is in dire straits—