Guysss

THIS

https://www.mangago.me/read-manga/zankoku_na_kami_ga_shihai_suru/

This as well

https://www.mangago.me/read-manga/shin_ai_naru_boku_e_satsui_wo_komete/

My all-time favorite:
https://www.mangago.me/read-manga/pandora_hearts/

Cheese in the trap
Unstoppable siblings too

https://www.mangago.me/read-manga/stigma_marloong/ (Both MCs have trauma, they fix each other.)

https://www.mangago.me/read-manga/intense_lee_kyung_ha/ (MC is taken in by a gangster after his father committed suicide due to overwhelming debts.)

https://www.mangago.me/read-manga/get_back/ (MC and her friend are adopted by an abusive gangster who raises them as subordinates instead of children.)

https://www.mangago.me/read-manga/savage_garden/ (MC is adopted and forced to take the place of her dead friend after an accident. MC dresses as a man and attends a prestigious academy.)

https://www.mangago.me/read-manga/the_cradle_of_the_sea/ (MC takes the child of the man she served in search for him after hearing he and his ship disappeared.)

https://www.mangago.me/read-manga/a_proxy_painter/ (MC is sold to a noble for his talents in art. He serves as a proxy painter that paints paintings that the noble's son takes credit for. MC later meets a man who acts as his savior for revenge.)

https://www.mangago.me/read-manga/homeless/ (MC grew up terrified of ghosts due to his mother's beliefs about them. One day, when the MC was starting high school, his mother died and he inherited the house. Having bad memories there, he moved out and into his school's old dormitory that is said to be haunted. There he lives alone and scared until a delinquent brings his troubles and past along with him.)

https://www.mangago.me/read-manga/secret_lady/ (MC reincarnates into a loving noble family, different from her previous one. She can see ghosts, which is a hassle for her to hide. One day, she overhears ghosts talking about a plot to kill a prince. She saves his life and gets tangled up in a curse, secrets, and love.)

https://www.mangago.me/read-manga/one_day_suddenly_seoul_is/ (MC is on a school trip when an apocalyptic disease overtakes Seoul. After being trapped in a building with no where else to go, he gets infected. Desperate, he tries to burn off the infection, but it's no use. It spreads and he passes out. When he wakes up, he's confused as to why he is still alive and why there is a burning pain in his hand.)

https://www.mangago.me/read-manga/tales_of_seol_gongchan/ (MC is the author of a horror novel that comes to life for his upstairs neighbor.)

https://www.mangago.me/read-manga/a_stepmother_s_m_rchen/ (MC is reincarnated into the hell she thought she escaped when she died in her previous life. Now, she wants to make amends and treat her life more preciously.)

https://www.mangago.me/read-manga/soloist_of_the_prison/ (MC is born into a prison surrounded by a huge wall. Inside are criminals of all sorts. MC can never leave, especially when she has a baby brother to look after. One day, she hears a group of men talking about escaping, she begs them to take her and her brother, and they agree. Only, while they were escaping, they were caught and she had to leave behind her only reason for living. Years later, she returns in search for her brother, but this time, she's trained and will do anything to get him back.)

I put work into these summaries, so if you don't read these, I'm gonna come yo your house / apartment / condo / cardboard box / dormitory / wherever you are and lick your toes (I'm joking btw No, but seriously, please read at least one of them )

Here you are
Hollow love
By my side
Tokyo in april
Paradise view