|Double Seven Series 2|
|Release Date||January Issue, 2013|
|On Cover||Saegusa Kasumi, Saegusa Izumi|
Double Seven Series 1
Double Seven Series 3
Double Seven Series 2 is on Dengeki MAGAZINE Volume 29.
Double Seven is a part of second year refers to the short segments written by Satou Tsutomu released in Dengeki Bunko MAGAZINE in a timeline when Tatsuya and Miyuki reached their second year in First High School.