Choppiri Ecchi na Sanshimai demo, Oyomesan ni Shitekuremasu ka?

The three sisters of a distinguished family have perverted hobbies?! Erotic and cute sisters in this romantic comedy manga~ "Live with the three popular sisters at school, and teach them how to become suitable brides!" Tenma Ichijou is a high school student who has fallen onto bad times. He is approached by the sisters' doting, high-ranking father, who proposes a strange job. However, all three sisters have strange (perverted) hobbies... (Source: Kadokawa, translated)