MTL - Steel Shell System - Chapter 21 Powerful ring

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

In a world steeped in tradition and shadowed by secrets, a young girl’s life is torn apart when her family is destroyed, and her heritage stolen. Her father, in his final act, seals away a legendary power and treasure, leaving her with nothing but cryptic clues and a burning desire for vengeance.With a blade in her hand and rage in her heart, she embarks on a perilous journey, unraveling the dark conspiracies that surround her family's legacy. As she faces deadly foes and unearths long-buried truths, she must decide whether to unlock the immense power her father protected—or let it remain hidden.Her path is one of blood, betrayal, and redemption. Will she rise above the chaos, or will the weight of revenge consume her? Witness the making of a legend in this gripping tale of sacrifice and retribution.

Everything Wang Hu ever wanted before he died was to build a family.