Concubines Lead to Strength: The Path to Immortality Begins with Taking a Spouse - Chapter 279 - 188: A Complete Loss

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

Welcome to Hell’s Game.[Entering instance: Bloody Restaurant][The position you applied for: Delivery Person][Your customers include: a fat otaku emitting a corpse stench, a maid who bursts at the slightest disagreement...][Your colleagues include: A boss who's too pretty to be human, A cow or a horse in the literal sense, a man-eating tree that swears in French...]Facing these incredible characters, Liu Zheng, who wanted to be a decent person, had no choice but to give up on humanity.

“Darling, I love you…” He was the heir to the consortium and she had just divorced. The day she was divorced, she was kidnapped and forced to be the doctor in charge of his case. To add insult to injury, this man would sleepwalk to her bed every two to three days… another headache!