Beautiful Wife from Heaven: Mr. Qi, Let’s Get Married - Chapter 19

Wen Xuan, the chief disciple of Shui Yunzong, respected the teacher halfway and loved his fellow students, was a model among his disciples.
    He had thought he would spend his life like this.
    Until one day, he met an open younger brother.
    His brother told him that this world is actually a text.
    And he, as the ugliest and humble negative character in the text of the upgrading and upgrading, will be bumpy in the second half of life, departed from relatives, and desolate.
    .
    “Too many people have talked about your life in scornful sarcasm after tea. No one knows how you spent those years and no one sees how you hold onto the bottom line in the lonely struggle. No one cares about the suffering you have experienced and your persistence. But I have seen it and I know that I care. ”

    “So I came to this world and became your dependency.”

- Description from Fpzw

Zhuang Feng is in his last year of high school, and he’s just moved to the city. He lives with his good-for-nothing cousin, who’s always on business trips falling for get-rich-quick scams, and his Saozi (sister-in-law), who tries to make his life miserable as much as possible. There’s one upside, though; she. is. freaking. hot. But one day, he found a piece of her underwear in the bathroom…. And unfolded a series of events that will turn his life upside down.

- Description from Novelupdates

Lin Xiao was addicted to reading Qidian novels. He always fantasized that he would have a day when he could transmigrate and then embrace beautiful women all over the whole world, becoming the strongest person in the mainland.

After he really transmigrated, Lin Xiao stubbornly always believed that he was a protagonist until he met Ling Luo.

Only after being killed by Ling Luo did he know that he was only a cannon fodder villain in a novel.

When he restarted his life and hatefully wanted to oppose his fate at least once, he was ruthlessly crushed again.

Okay then… since a protagonist was determined to be like this, he wouldn’t oppose a protagonist anymore…

The two of them were similarly straight guys…

When he restarted his life again, Ling Luo unexpectedly suffered an Love Herb’s poison…

Lin Xiao internally cried as he looked at a certain person who tied him onto an obelisk in the back and thought, who could tell him what this was all about?

- Description from Novelupdates

The story is about a a hitman, Who dies because of his own recklessness and transmigrates into a game he used to play after his retirement as a hitman.I'm not gonna spoil any further, but i might answer few of your questions.Is MC overpowered?Nope, he'll become strong over time and all battle he'll fight will be because of his effort and techniques.Is there magic and adventure?Yes! It have both magic like normal isekai with adventure and fighting with monsters and many other things. There are other important things like “Essence Stone” But let's talk about it in the chapters.There will be harem?Not really, He will be in contact with many beautiful female and males but one waifu but i haven't decided yet.All i can say is, give it a try, I'll try my best to make it worth your time.