MTL - What if My Brother is Too Good? - Chapter 9 Forced love

[Read up to chapter 5, you won't regret it.]Haru Mizuki died the lamest death possible: alone in his room, playing a hentai VRMMO. No heroic sacrifice. No tragic accident. Just... pathetic.But instead of oblivion, he wakes up in Aethelgard.Cursed by Chronia, Goddess of Time, Haru gains an ability no one else has: he can't stay dead. Every time he dies, he loops back to his last checkpoint. What seems like a curse becomes his greatest weapon, infinite retries mean infinite opportunities to learn, train, and seduce.And seduce he must. Because Haru's cheat ability, Touch of the Goddess, lets him steal powers from anyone he touches... but it works best through intimate contact.Armed with death loops, a hacker-class system that lets him sabotage rival players, Haru begins building the ultimate multi-species harem. But he's not the only player in this game, and they all want the same thing: absolute domination.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Jin, a guy with no direction in life, through an unfortunate event gets his hands on a Hitman System. What transpired then was a struggle to escape the eyes of the cops while trying to complete the system’s missions. However, through a series of coincidences, he soon finds out that his parents’ death was not an accident. Read how he uncovers the veil that has obscured the truth from his eyes since childhood and finds out the darkness that hides under this veil. ‍

She is the Crown Prince’s fiancee, but on the night of their wedding, an edict was made and she was given off to marry the crippled and paralyzed God of War.