Nichiasa Suki no Otaku ga Akuyaku Seito ni Tensei shita Kekka, Hametsu Flag ga Houkai shiteiku Ken ni Tsuite

Yuugo Kurei is a high school student that loves tokusatsu hero shows. One day, he loses his life protecting a child from a street slasher, but he is reincarnated in another world as Yuugo Clay, a character from a certain game. However, Yuugo is the most disliked person in the school and is destined to die tragically... He was reincarnated as a villain, but with the new power of magic in his hands, he aims to become a hero!

"In this world, I can become the strongest hero!" A hero story of a tokusatsu otaku who rises from the bottom while crushing his doom flags!

(Source: Shogakukan, translated)