Otaku no Shiro

The god writer she admires is the grandson of her late otaku friend!
Hami, a nerdy college student, is forced to live alone after her sister gets transferred to a new job. Then, Hami's follower "Sakurako" passes away!
Hami receives a dreamy mansion filled with otaku goods from her otaku friend and the chairman of a large company in her will, and she will be living with her three grandchildren...!

The life of an otaku girl and her three brothers is about to begin!