SASAKI MUTSUMI

Five sexy teachers, and a boy with lots to learn! Susumu Arisaka has just turned 18, and that means he can move out of the orphanage and into his childhood home. He's looking forward to finally living on his own, but five of his high school teachers

From Wikipedia :Futakoi Alternative tells the story of Rentar? Futaba and his detective agency. One day a set of twins, Sara and S?ju, show up at his doorstep. They move in with him and work as secretaries for his agency.Classifying Futakoi Alternati