When the mantis-like aliens known as Kiseichuu descend on Earth, they have one goal: eradicate the human race. They do so by absorbing humans' H-energy–the sexual passion that fuels so many people and keep...

1. Oneechan ni Omakase♡ (Just Leave It to Oneechan!) 2. Honto no Kimochi (True Feelings) 3. Hitorigurashi Banzai! (Living Alone Rocks!) 4. Itazura♡Date (Tease Date) 5. Dokidoki♡Date (Exciting Date)...

1-2. Kiitenai yo! Mizuki-sensei 3. Onee-chan Chuuihou Hatsureichuu! 4. Shisho-san no Yuuwaku ni wa Sakaraenai! 5. Hitomi-chan-ka no Ofuro ni Haittara... 6. Tamani wa Komon no Iu Koto wo Kiite yo ne 7-8. Tsum...