In the near future, technology has progressed to a point where people can live both in reality and the internet world, Planeta. Satoru came to Planeta to enjoy a school life in the virtual world. But he was recruited to work for the detective team Sprites after meeting their leader Ayaka. At the same time, there was a terrorist attack in Planeta, caused by a hacker who went by Irurihito.

[From Hau~ Omochikaeri!]