Young Master Gu, Please Be Gentle - Chapter 2121

Yuki, a high school junior, dies heroically saving a stranger and is reincarnated in a fantasy world, where he discovers an extraordinary and unrivaled power.

16 years old-- most boys would be falling in love, as their hormones all rise to unprecedented levels. Most boys at Riley's age would have dreams; dreams that will slowly grow into passion. Riley, however, at age 16... killed the world's number 1 superhero.

Su Yao passed through and traveled to the Marvel world to become a mutant. He was still in the experimental base. He expressed a little panic…

Fortunately, at the critical moment, the mutant ability ‘imitation’ was awakened to imitate the opponent’s ability!
…
Imitation object→Orochi (title: Sun God, Will of the Earth)
Imitation object→Wanda (title: Scarlet Witch, owner of chaos magic)
Imitation object → Sun God…
…
Professor X: “We must find him as soon as possible and guide him to control his power to avoid causing irreparable disasters!”
Magneto: “You are my child???”
Thor: “Brother?”
Loki: “?”

- Description from novelbuddy

Koi Niles has always been alone. Quiet halls and empty lunchtimes are his familiar companions. Grades matter to him; they’re his way out.Ashley Miller owns the school corridors. Captain of the ice hockey team, confident smile, and a name everyone knows. When a class project pairs them together, Connor sees a chance. But Ashley disappears, leaving Connor to carry the weight.Days later, under the harsh lights of Connor’s part-time job, Ashley returns. This time, it’s different. He stands up for Connor, turns the tide against the bullies. A simple act of kindness that feels new and warm.They share moments—short walks, brief talks, the understanding of two worlds colliding. Friendship grows where none was before.But Ashley holds a secret behind those bright eyes. One evening, worry leads Connor to Ashley’s door. What he discovers there changes everything he thought he knew.