The Plain Salary Man Turned Out to Be a Hero: He was Invincible, Only to Be Exposed on 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～ | ?An Unaware Old Man Becomes an Overpowered StreamerKeita Sato / a 41-year-old single office worker / spends his days handling stress and tedious work tasks. His unique way of unwinding involves diving solo into modern-day dungeons and using ferocious monsters as batting practice! One day / his niece Hikari secretly follows him and ends up streaming his dungeon exploits...!! | ?An Unaware Old Man Becomes an Overpowered Streamer | ?Jimi na Ojisan / Jitsu wa Eiyu deshita. - Jikaku ga Nai Mama Muso Shitetara / Mei no Dungeon Haishin de Sarasareteta You desu | ?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～ | ?Jimi na Ojisan / Jitsu wa Eiyu deshita.: Jikaku ga Nai Mama Muso Shitetara / Mei no Dungeon Haishin de Sarasareteta You desu