This is really not mechanical ascension - Chapter 256 - 142: Sparks of Awakening Trap_2

Transmigrating to an anime mashup world, Yoshida Tenya thought that a relaxed and pleasant life awaited him! But then he met them...Takanashi Rikka: My evil king's true eye is the strongest!Yotsuya Miko: Yoshida-san, can you see them too?Yukinoshita Yukino: I like cats, but that doesn't mean I want to become a cat!Kato Megumi: Can Tenya-kun notice me?Alisa: милый (cute)Kuchiki Rukia: Tenya, you are very suitable to be a substitute shinigami!Tenya: I just want to get a treasure chest! Is that too much to ask for?[Ding!][Extracting SSS-Rank treasure chest: Conqueror's Haki][Extracting SSS-Rank treasure chest: Zanpakuto: Zangetsu][Extracting S-Rank treasure chest: Mangekyo Sharingan][Extracting S-Rank treasure chest: Ice-Make]

On the day I went to the hospital for an abortion, I met my husband holding his ex-girlfriend. That woman was just suffering from menstrual pain, but he was taking great care of her and being very gentle.He said, “I never thought of marrying you, so please behave yourself.”He said, “You are just a scheming and fickle woman. How could you bear my child?”I sneered and decided to abandon him!After the divorce, that woman showed off their engagement ring to me. Then, I pointed at the man who had just walked into the hotel and said, “Let me introduce. This is my new boyfriend.”Since then, this tycoon, who was only temporarily working as a doctor out of boredom, somehow got a girlfriend who had come to him for an abortion.

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

- Description from Novelupdates

It isn’t the strongest who survives. The one who survives is the strongest.”After being discharged from the military, Jin Seowoon did nothing but play games like a loser. One day, he was invited to the world of “Cloyd Survival,” which resembled a game he enjoyed.In that world were masters of martial arts, kings from other worlds, and notorious killers…It was a gathering of monsters that surpassed human imagination.Jin Seowoon had just one objective—to survive and become one of the top ten.Here lies a tale of survival with Jin Seowoon’s life at stake.