Anime adaptation of the 2013 re-release of the 1989 AliceSoft adult PC game Rance 01: The Quest for Hikari 
 
The barbaric warrior Rance loves nothing more than the company of beautiful women. Traveling around the continent with his faithful slave Sill Plain, Rance takes on odd jobs for a chance to appease his insatiable libido. Although his perverted instincts often land him in hot water, people from far and wide nevertheless laud his heroic feats.
 
While undertaking a request to locate a missing noble girl, Rance and Sill arrive in the majestic Kingdom of Leazas. As they split up to investigate several leads, Rance finds himself aiding the townsfolk with various problems, from rescuing a kidnapped barmaid to purging an undead outbreak. Amassing both fortune and females, the warrior eventually uncovers a dark secret within the kingdom that only he can stand against. 
 
(Source: MAL Rewrite)

Based on the erotic game by Alicce Soft. 
 
Takamaru is a student at the Ten Treasure Academy, living an ordinary school life, seeking romances which are constantly interfered by Shihoudou Narika (the daughter of his apartment manager). One day, he fell in love at first sight with a transfer student named Takamori Haruka. On that very night, Takamaru and Narika became pursued by a group of mysterious ninja. Just when they thought all hope is lost, Haruka appeared in kunoichi attire. Haruka referred to Takamaru as "young boss", and asked him to do H stuff towards her. This gave her superhuman power that enabled her to defeat the mysterious ninjas. 
 
However, this was just the beginning of a very long battle. 
 
(Source: AlicesoftWiki)

There's a story that must be told - hidden beneath the beautiful blue waves of this ocean city. Kyoya, a teacher at the Underocean school, lost his memory in an unfortunate accident that took place 3 years earlier and since then has been taken of by a beautiful young girl named Miyu. 
It's natural that Miyu would become the center of all his wildest fantasies, but Yumi has a suspicious feeling that there may be more to Kyoya than he lets on.

Based on the erotic game by Alice Soft. 
While Rance might well be one of the best swordsmen in the world, he has the personality of a rancid turd. He is narcissistic, lecherous, abusive and almost without any redeeming social graces. And his underclad and overabused slavegirl Sill knows this, but she is still in love with him. One day Rance is hired to defend a dusty and forsaken desert village from the repeated attacks of scantly clad and oversexed sorceress intent on the resurrection of a long forgotten deamon. 
(Source: AniDB)

Based on the erotic game by Alice Soft. 
 
Kousuke lives a boring life without women.... One day, his father introduces a woman, Madoka, and he is forced to live with her. Madoka's older sister Sakura starts to live with them to keep watch on them and his cohabitation with two beautiful sisters starts....a world filled with wives in need of some attention awaits him. 
 
(Source: saishuu.com)

Based on the erotic game by Alice Soft. 
 
Two large countries, Leben and Carnea, had been ruled by the kings who were men of character, and people in these countries had been living peacefully. However, Leben suddenly intruded into Carnea, and the two countries began to war. 
 
The even fights had continued for more than six months, but when the king of Carnea died of illness, gradually Leben got the better of Carnea. 
 
In these days, a man in a black suit visited Carnea. He had been a vice leader of the Carnea Knights, Claude, who had suddenly disappeared eight years before. His appearance had changed completely, and that made them suspicious. But when he said he had a plan to beat Leben, they gave their ears to him. He said that they would hire experienced mercenary solders, and that the queen and princesses would sell their bodies to earn money. The queen and her daughter accepted his plan, and they began to take his "lessons". 
 
(Source: AnimeNFO)

Based on the erotic game by Alice Soft. 
 
Yamamoto Akuji noticed that the world is a totally different place after his release from prison. He experiences Osaka as something very new and strange after he got out of prison. During his imprisonment, the hierarchal structure flipped upside down, making it a world where the women dominated over men. Militia, churches, businesses and private businesses are operated by a female figure. Men were powerless, being controlled and enslaved by the women in Osaka. Being angered by the situation, Akuji and his partner Satsu begin their payback by teaching the stuck-up women in Osaka a little lesson...

Based on the erotic game by Alice Soft. 
 
Sayuka Kouenji, is the Escalayer, guardian of the Earth against the dark forces of the Dielast. By her side is the android Madoka, and it is Madoka's job to track and recharge the source of Sayuka's power, the Doki Doki Dynamo. Located within Sayuka's body, the Doki Doki Dynamo can only be recharged when Sayuka experiences a high level of sexual arousal which, until recently, Madoka has been able to provide her. With unacceptably low energy levels facing them, Madoka brings in the assistance of Kyohei Yanase, a boy from Sayuka's school. Kyohei once harboured a crush for Sayuka, and his sexual prowess could not have come sooner. For now arrayed against these three defenders of the Earth is the Dielast version of the escalayer, the FM77, who is ruthless in combat, and brimming with violent desire.
 
(Source: Anime News Network)

Blue moon suddenly appeared near the moon, they called it True Moon. After 3 years when True Moon shined blue, a monster appeared in front of Ryo. He ran away from the monster, but finally, the monster cornered him. When he began to accept his death, a red eyed girl, Izumi, appeared. She cut the monster to death, and gone. 
(Source: AnimeNfo)

Based on the erotic game by Alice Soft. 
 
What can a widowed woman do when she gets that itch? Invite a nubile man over to help her decorate! It has been a year since Chiho became a widow and the nights are getting lonely. It&rsquo;s a good thing that her friend Kanae is there to help. Kanae is experienced, she&rsquo;s been married for eight years and she knows just what Chiho needs. A little spice, a little color and some new scenery is what&rsquo;s missing from Chiho&rsquo;s life. 
 
(Source: AniDB)