Dark Magus Returns - Chapter 969: A Costly Mistake

Transmigrating to an anime mashup world, Yoshida Tenya thought that a relaxed and pleasant life awaited him! But then he met them...Takanashi Rikka: My evil king's true eye is the strongest!Yotsuya Miko: Yoshida-san, can you see them too?Yukinoshita Yukino: I like cats, but that doesn't mean I want to become a cat!Kato Megumi: Can Tenya-kun notice me?Alisa: милый (cute)Kuchiki Rukia: Tenya, you are very suitable to be a substitute shinigami!Tenya: I just want to get a treasure chest! Is that too much to ask for?[Ding!][Extracting SSS-Rank treasure chest: Conqueror's Haki][Extracting SSS-Rank treasure chest: Zanpakuto: Zangetsu][Extracting S-Rank treasure chest: Mangekyo Sharingan][Extracting S-Rank treasure chest: Ice-Make]

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

A young man dies tragically while trying to stop a robbery—only to awaken in complete darkness, lost between life and death.As his memories return, he discovers that he’s been reincarnated into a new world brimming with magic, Soul Weapons, and mystical powers. Reborn as Ares into a loving family, he quickly realizes that this world is far from peaceful. Armed with an SSS-Rank Trait and a Unique Ability, he faces every challenge head-on as he searches for his purpose in this strange new reality.

Oscar, a destitute young boy, died in a tragic accident and was reborn in the forgotten realm. As a member of the lowly Birch tribe, his solace comes from the fragments of a guardian's spirit, residing in his soul. After the decimation of his family in the hands of a powerful race known as the dreads, he embarked on the part of revenge, leading him to the path of transcendence.