Himari Uehara, for a first-year high school boy, knows very little about sex. Without his father at home and having skipped health in middle school, Himari is only confused when he wakes up with his boxers a mess and has no one for advice. Luckily, Himari has Gaku Asada, a new friend from high school who offers to teach him everything and more he missed out in health class.

(Source: Fantasista Inc.)

Akihito Kuze is living alone in his house and takes men as visitors during the night. When an officer named Goutarou Sumeragi is assigned to be his guardian, all these men stopped coming and Akihito seemed unhappy...? Later on, Goutarou learned the reason behind Akihito's loneliness and thus their life of living together take a turn into something else.

(Source: MU)

Nagata Shingo plays cupid in school by investigating the target of affection. He finds out what their ideal type is, their favorite food, gives advice when needed and receives food as a reward.

One day, a group of girls who are attracted to "ice princes" ask him to find out the cause of the huge scar in the forehead of the cold Ao.

(Source: MU)