MTL - Overturned Tower - v2 Chapter 14 I still think so, Fredericka.

Yuki, a high school junior, dies heroically saving a stranger and is reincarnated in a fantasy world, where he discovers an extraordinary and unrivaled power.

The Swordmaster who has returned by chance to save the world!

Thanks to the Goddess, he was reincarnated into nobility!　That should have been great―― but the skill he got, 【Toxin Decomposition EX】 was simply too plain, and he was made fun of everyday at home……

In the novels, all kinds supporting male leads are not only handsome but also talented. However, the existence of the female lead’s halo makes them lose their lives and properties!

In order to change this situation, male supporting role rescue plan officially starts.Gu Jinmi was inadvertently selected by the system. However, for her own happy future, she will work hard.

(There’s another novel with the same name but different author. The story is different too.)

- Description from Novelupdates