An ecchi spin-off containing alternate what-if scenarios between Keiki and the club members.

A few days ago the eighth Tokugawa had inherited the shogunate in the midst of an unstable political situation, a striking man entered Edo. He had a shocking beauty eyes, and was so handsome that seemed to have...

The protagonist, Kotaro lives together with his 3 sexy step-sisters.

In order to save The Paradise Island Zoo that has lost all but the female animals, the Director has made it so when night falls, all the animals turn into cute girls! It's up to Taneda to mate with all of them...

Suguru was madly in love with his girlfriend, but was dumped when she learned that he was lying about his acceptance to her college only to have sex with her. Now studying alone in the big city, he tries his...

Keita Suminoe has two older (not blood-related) twin step-sisters who love him in a lustful way and have no problems expressing it. They even like to compete about it; much to the laughter of his friends...

An R-18 continuation of the Kiss x Sis manga series, taking place before and after the final chapter.

Meguri Daiki found Ichigo, a doll sized cute girl devil, when he was still in high school. Now going to college and living on his own, he treats Ichigo as a pet/roommate and takes care of her needs, namely...

At 46, Ryo Tsuno is a serious company employee. However, his wife left him, leaving him in despair. Suddenly, he finds himself heading towards a certain mountain. There, he discovers the opportunity to reset...

Description from Triple Seven Scans. Since his childhood Tamaki has had a medical condition; he gets the hives every time he has skin contact with a girl. One day his sister sends him a life-sized doll so he...

Despite having been dumped by his girlfriend, Akiyama doesn't want to cancel their reservations to a famous onsen resort popular with couples. Deciding to go alone, he finds 3 sisters taking care of the inn...

Man and women who doesn't know each other on an uninhabited island, they're free to have erotic situations! romance! survival! Search for your fated lover... now, disembarking!

Kantaro is reincarnated in a different world after having ascended to the heavens due to excessive orgasming. However, he realizes that his crotch produces a cloudy white potion that can heal anything. It also...

When a black transfer student starts hitting on Nao, Hiroki, her childhood friend stands up against him, only to be beaten up to a pulp. He then promises to get stronger and get revenge.

One day, a boy who loves Insects, "Anri Kajimi," meets "Makiri Oka," an Insect girl (Konchuki) who came from 100 years into the future. Oka, who is a "Konchuki" who has the characteristics of a human being and...

In the world of Eluveitie, elves and dark elves have been warring since ancient times. The one thing that could tip the balance for either side is a half-elf child born from the nameless Earthling main...

Ryotaro is a boy who loves robots and lives out in the country with his three sisters but he's headed to Tokyo for high school. Before leaving, he runs across a humanoid military robot and has a fateful...