Himouto! Umaruchan -

: A hyper-competitive, boisterous classmate who views "Outer Umaru" as her primary rival. Real-Life Inspiration and Legacy

: A classmate with a fierce appearance but a shy heart who accidentally discovers Umaru’s "inner" form, leading to a unique friendship. Himouto! Umaruchan

: Umaru's shy friend and neighbor who is unaware of Umaru’s home persona. : A hyper-competitive, boisterous classmate who views "Outer

The story centers on Umaru Doma, a high school girl who maintains two distinct identities: : A hyper-competitive