Manga Kyou Senshina Mob Mujikaku Ni Honpen Wo Hakai Suru Manga Extra Quality

: 狂戦士なモブ、無自覚に本編を破壊する (Kyou Senshina Mob, Mujikaku ni Honpen wo Hakai suru) : Action, Fantasy, Martial Arts, Adventure, Reincarnation. : Originally a light novel by Junki Hiyama

Gale pulls the "rope." The fabric of reality rips. He accidentally tears the "Fourth Wall." Through the tear, he sees the Manga Artist's studio.

The Demon King’s Castle. Character: Demon Lord Valthor .