Mangas

Dungeon Toilet -  Isekai no Toire de Dai o suru. -  Taking a Dump in a Fantasy World Toilet. -  Toilet Isekai -  異世界のトイレで大をする。
People are said to spend three years of their life on the toilet*.Can you make the best of that time?A Hero reincarnated into another world makes dragon scales into toilet seats and slimes into wet wipes as he journeys in search of a comfortable toilet...![sub]*[citation needed][/sub]
ニャイト・オブ・ザ・リビングキャット