[ Nee San ] Himouto Umaru Chan

What if the Doma family didn't consist of only Taihei and Umaru? What if Umaru had an older sister?

Y/N Doma, the older sister of Umaru and younger sister of Taihei.

She and Taihei lived together in their small compact apartment building.

It was so boring... so lifeless... so quiet...

Until Umaru appeared