The crimson princess - Chapter 18: Experiment on Rimuru

You Liangxing would never open the speech function in game.
That was because his voice was…
Particularly! Kittenish!

But there was one day, he queued up with a teammate who had so much to say that they may as well explode. Vexed to the point of no return, he contributed a voice that was capable of splitting heaven and earth, “Don’t BB.”
The other party who was being scolded stilled. In the ensuing silence, he suddenly let out a long, relishing… Moan.
You Liangxing: “…..”

Later —
He realised that the person was a great god,
Much later,
Without him realising,
He became the great god’s royal healer.
…. And also his boyfriend.

- Description from Novelupdates

“Crossing over to a fantasy world of magic and battle auras, Lei Luo accidentally crossed over to the Xiluo Magic Academy and became a librarian.

As the Evil Deity of the Earth, the Ruler of the Wasteland, and the Mother of Desolation, Bai Lianyue now finds herself utterly bewildered, pinned down on a bed. Over a decade ago, in a moment of carelessness, she inadvertently ended the life of the Daughter of the Gods. Wracked with guilt, Bai Lianyue took it upon herself to raise the three children the divine daughter had left behind. Her original plan was simple: wait for the children to grow up and…

Embarking on a journey through a mysterious realm filled with boundless dangers and boundless opportunities, Qin Ze, an ordinary soul, is imbued with an extraordinary system that promises unparalleled power and growth. With each challenge overcome, be it fierce battles against demonic beasts or treacherous schemes woven by cunning foes, Qin Ze's strength soars to new heights. This is a tale of relentless progression, where the protagonist's will to survive and thrive fuels his relentless pursuit of becoming the strongest entity in existence. As Qin Ze delves deeper into the secrets of this vast universe, he uncovers ancient legacies, forms powerful alliances, and faces off against the titans that once ruled the land. But amidst the chaos and bloodshed, he never forgets his roots and the promise he made to protect those he cares about. “Unrivaled Ascension” is a thrilling adventure of self-discovery, boundless potential, and the ultimate triumph of perseverance over adversity.