Earth faces an unprecedented threat from an invasion by the mysterious Kiseichuu. The Kiseichuu feed on human sexual energy, also known as “H-energy,” and weaken the human population. High school student Retto Enjo is a member of the hero group HxEROS, who fight together to save the earth from the Kiseichuu.

• Yoshitsugu Matsuoka
• Ai Kakuma
• Sayuri Yahagi
• Ai Kayano
• Yuuki Kuwahara
• Nichika Omori
• Shin-ichiro Miki
• Daisuke Kishio