The manga centers on 35-year-old novelist Makio Koudai and her 15-year-old niece Asa, who live together under one roof. Makio took Asa in on a sudden impulse after Asa's parents, which included Makio's older...

One day, four school friends, cross the line as they are interested to find out more about sex. Once you spark that flame though it is hard to go back and the bodies and minds of these four people begin to b...