Alpha's Rejected Mate Returns as Queen - Chapter 113

What if Midoriya Izuku stayed quirkless? What if he could become a hero without any powers? Or even more shocking—what if he became the successor to All For One?

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

- Description from Novelupdates

Warning: Mature Content Included (R-18+)---At 23, Nam Hyerin was diagnosed with a lump in her ovary. When she was told she could never have children, her fiancé abandoned her without a second thought. Grief-stricken and alone, her life ended not with the disease but during an unprecedented earthquake that struck Seoul.She should've been dead. However, when she opened her eyes again, she found herself in a strange new body—naked, tangled up with a half-human, half-beast man whose dark, scaly tail was wrapped tightly around her waist.“Woman, stop moving on top of me,” the man grumbled sleepily. “You’ve ridden me night after night until dawn… how are you still not done?”***Tags: Reverse Harem, Beast and Human, Drama, Comedy, Transmigration.

There was a Senior Brother and a Junior Sister. One of them was transmigrated to this world and had cheats while the other was the reincarnation of a Great Emperor.