God's Song - Chapter 36

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

Stealing Heroine from Protagonist with SystemWARNING MATURE CONTENT!!!!!R-18

Struck down amid the battle, the Hero and Demon King meet their demise. As their souls linger on the edge of the afterlife, a mysterious force intervenes, merging their fragmented souls together with a new being. Rusty, the living armor, now affected by their memories and presence, embarks on his own quest. Will he seek revenge on those who betrayed the hero, or will he fulfill the desires of the fallen demon king? or instead, forge his own path?

Keira Olsen got married, she herself didn't know that her husband, who came out of nowhere, was actually the richest man!She was just an illegitimate daughter who couldn't see the light of day, struggling to survive since childhood.While he was the darling of the heavens, high above all.Their statuses were worlds apart; everyone was waiting for Keira Olsen to be kicked out, but as they waited, all they got was the richest man's post on Moments:“Wife, is it possible not to divorce?”Everyone: ???[strong FL, secret identity, powerful couple, 1V1]