exicalibers

Sora and Shiro are a pair of siblings, brother and sister, who are well known as brilliant. Yet they are NEETs - useless to society, and (Not in Education, Employment, or Training) - and even worse they are completely house-locked shut-ins (hikikomori!

It’s a new school year and Ryuuji Takasu discovers not only is he in the same class as his best friend, Yusaku Kitamura, but also Minori Kukshieda whom he's had an undisclosed crush on for quite some time. Ryuuji, the main character, runs into Aisaka Taiga who happens to live next door.