Retort Pouch!
Year 20xx- Due to Japan's population decline becoming critical, the Eriito Academy was set up. It is an elite school made to educate the students to have normal relationships matching proper couples with purpose of getting married. In short it is a school created for love.
In this school, if you don't work toward having sexual relationships, you are viewed as a "failing student". Among those, Akeboshi Sachiru and Kiyoshi Tenga both are some of the last virgins in the school, and the school doesn't intend to let them be!
-Aoi'-