Itou Eiji

It is a time of chaos. Earth is no longer what it used to be. It has been infested with a bug-like species called the Blue. Kaidou Yuuji, who has a mysterious disease, is put into suspended animation until a cure can be found. When he wakes up, Yuuji learns that more than 30 years have passed since he was put into suspended animation, and the world is now controlled by these…

Asari's father is an executive of a big company, the mother graduated from an elite university, and her big sister is pretty smart. However, Asari-chan is a quite ordinal girl. Therefore, Asari-chan is always teased by her sister, and her mother scolds her for her bad grades. But, she lives cheerfully not being depressed. Source: AnimeNfo