Attention Sir, I Have Your Heart Handcuffed! - Chapter 25, finally caught you

Reincarnated as a baby who was in his mother’s womb for a hundred years, the moment Lin Xuan was born, the whole world was shocked.

Collection of short stories.

- Description from Novelupdates

Come with me as I start my adventure in the Spider-Man world. I'm Jonathan Anderson from California, and I'm half Filipino and half American. When I died, I didn't end up where I thought I would. Now, I'm in the Spider-Man universe. But I'm not alone. I'm going to be a Spider-Man with Peter Parker, teaching him along the way. And remember, with great power comes with great responsibility.

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.