My Love Rival Is Freaking Awesome [Quick Transmigration]

Zheng Feng was unlucky enough to get bound to a System that ordered him to transmigrate to various worlds and take down the BOSSes. The most ridiculous part was that these BOSSes were all rivals in love of the identities he'd transmigrated into. Every one of them was already absurdly powerful, and had returned reborn after turning evil! He could feel the malice of the entire universe, endless and unrelenting. Help: How do you get rivals in love whom 'you' directly or indirectly killed to forgive you and fall in love with you? Waiting online. Urgent! Urgent! Urgent!