Wataru Amano

Shizuka only had a week before her family had to move. It was a difficult time for her, yet in that week she met a boy named Kosuke who befriended her. Twelve years later, the 17 year old Shizuka returns to Tokyo in order to find Kosuke. What she find is that Kosuke is now a terrible lecher. But still, she holds out hope that he can solidify the flashes of decency that he shows (when he isn't getting it on with other girls in a variety of bizarre and comical situations), and commit himself to her.

100 million years ago, an ecological disaster drove the Demon Beasts from our world. Now they must breed with human females to create a new, hybrid creature who will clear the way for an invading horde. When 19-year-old Kayo is raped by a possessed lover, it's up to 19-year-old Interplanetary Mutual Observation Agent Muneto to save her from the terrifying creature to which she gives birth: A mutant, lust-driven Demon Beast!

In the distant future, humanity had colonized many planets thanks to professional planetary explorers known as “Advancers.” The beautiful female Advancer, Tina, takes on the mission to explore the mysterious planet Omega 13, but…