MTL - Not Spare the Years - Chapter 118

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

When I was reborn in South Korea, I wanted to live my life in peace. Pass the activation system, unlock the 'Big Brother' career, obtain the invincible system, and embark on the road to power

After coming out of a tunnel… it was pitch dark.

Valhǫll, a fantasy game with a touch of modernity.I thought I’d give it one last try with the rewards of achievements.I acquired extraordinary traits like [Death Avoidance], [Ironman], [Winds], traits I wouldn’t have chosen in ordinary circumstances.But I should have never started.I fell into a game where reaching the ending seemed impossible.With the body of an orphan wandering the market alleys.[Devil’s Blood], [Worst Condition], [Eccentric Actions], [Mysophobia].Plus burdened with hidden penalty traits.“Damn it.”Can I survive?No. I must survive, no matter what it takes.