MTL - I Refuse to be a Supporting Character - Chapter 8

Birth of the Biomancer:Mio was the worst healer in Tokyo. F-grade, dead weight—her party kept her around out of pity until they did the math and left her bleeding in a ruined cathedral.Something ancient was waiting there. It offered her a Class that devours its hosts—a path of power that claimed the lives of the three Biomancers who came before her. Mio said yes anyway. She’d already felt the sting of a slow death; what was one more monster in her veins?Now pain is currency, death is fuel, and the hunger grows with every kill. The Bureau wants a weapon. Her sister wants her home for dinner. Mio agreed to both.In a world of Systems and Dungeons, power isn't a gift; it's a trade. And Mio is finally ready to pay the price.════════════════════What This Is:[1] This is a progression fantasy with system elements, but the system serves the story, not the other way around. Expect meaningful numbers, not stat spam.[2] Romance is not the focus. Mio has bigger problems. But expect a slow-burn later down the line![3] The story gets dark, but it's earned. No grimdark for shock value.

Senju clan ancestral hall, everyone: “I hope that the ancestors will bless me and make my Senju clan great again…”

But the protagonist stared at a photo in the ancestral hall: “Uzumaki Mito looks really good.”

~The personality of the crumbs in the crumbs was detected, “Grass Dungeon” was awakened, the mission goal… to make the Senju great again! Now start assigning you a great mission guide… Already assigned, Uzumaki Mito!

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With a few words, the protagonist carries the soul of Uzumaki Mito, and awakens the very grassy “Grass Dun”.

The magnificent Mrs. Hokage… In order to make the Senju clan great again, to protect Konoha and even the ninja world, and to prevent the protagonist from spoiling this world, I have broken my heart.

- Description from novelbuddy

The tale of Oliver.
An orphan boy from a Mine, in 19th century Europe, filled with Magic.