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A hero is made of H and Ero. In a world on the verge of a great disaster that began five years ago, heroes who, with the help of a device called HxEros, use the power of Ecchi (H) and erotic power (Ero) to save the planet from libido-devouring monsters! Enjou Retto, is a high school student who finds out he is one of the owners of the HxEROS force, created to fight this threat and wants to use his new power to protect his childhood friend Hoshino Kirara.
An unknown type of alien called "Censor Bug" invades Earth. They plunder "H-energy" in an attempt to make mankind extinct. To save the Earth from the alien threat, high school boy Retto Enjō joins the "HxEros" team, partnering with four beautiful high school girls, one of whom is his childhood friend Kirara Hoshino. However, it turns out that Kirara has drastically changed her personality, which leads to an estrangement between the two childhood friends.
Touri is a boy who lives a secret life as an illustrator. He lives that life without any trouble at his high school, but suddenly a conspicuous girl, the literal embodiment of self-assertion, appears… “Become my drawing Sensei”, she suggests, changing Touri’s stable life!? A new love comedy brought to you by the creator of “Super HxEros”!
Even in university, Chono is stuck in the past regrets of his high school years. His dull days come to an abrupt end when he comes across a mysterious book... A book that allows him to return and re-do his high school life in his dreams. Follow Chono and the girls of his dreams as they reshape their wasted youths!