Subarashiki Kokka Episode 1

It’s a new century and men have lost their sexual desires thus decreasing the number of marriages and births. In order to repopulate the world, the government decided to start a program to improve men’s sex lives. Sex idols, girls who can sing,

Succubus Setogaya Mari is a part-vampire who takes her nourishment not from blood but from drinking semen. As she performs oral sex for energy, various things can happen; for example, her breasts might simply grow during the act.

Wataru is a young man who moves into an apartment next to Tomoka and Fumie Fusono, two voluptuous sisters who used to know him when he was a shy child. Now Wataru is all grown up, and the Fusono sisters are ready to take full advantage of that fact.