Our hero used to go to Akiba a lot when he was younger. It wasn't to have fun, but for his little sister's sake. One day, his younger sister is gifted a Christmas trip, and they sp...
Our hero's homeroom teacher is also his big sister, Yaeka. She's popular with the students, but at home, she's a slobbish drunk. There's Maika, an exchange student and Akiba nerd....