Qin Ai De Lao Yin

There are three genders in this world: ABO. Hitman Mo Jiawen received a mission to assassinate the talented researcher, Shao Yuanfan. However, in contact with Shao Yuanfan, he found out that this person has an unknown past, and their past is unexpectedly related to him in countless ways…

(Source: Tencent, translated)