The Plain Uncle was Actually a Hero. He was Unconsciously Invincible, and It Seems He was Exposed in His Niece's Dungeon Stream.

Jimi na Ojisan, Jitsu wa Eiyu Datta. -Jikaku ga Nai mama Muso Shitetara, Mei no Dungeon Haishin de Sarasareteta yo desu; The Plain Uncle was Actually a Hero. He was Unconsciously Invincible, and It Seems He was Exposed in His Niece's Dungeon Stream.; The plain uncle was actually a hero. He was unconsciously invincible, and it seems he was exposed in his niece's dungeon stream. • 地味なおじさん、実は英雄でした。～自覚がないまま無双してたら、姪のダンジョン配信で晒されてたようです～