The heroine, Kurata Rinko, lives with her son, Shizuya.
Shizuya is the child of her late husband, and even though she is not blood-related to him, she thinks of him and loves him like her own son.
But one day, she finds in his room, a naughty book about incest...!?
On the 2nd anniversary of the marriage, Takahiko realizes that he is no longer getting sexually excited with his beloved wife, Manami.
He is aware that this impotence is because of the strange custom he witnessed in his hometown, where a naughty feast takes place every night in the dark throughout the summer festival.
Long ago, he ran out of his hometown, horrified, but now he realizes that he can cure himself only by going back to that place...
Beloved young wife and the beautiful step mother he adores, pant in the pleasure given by someone else! The lewd netori festival of night begins...
"Ta-dah♪ Sakura-chan, Kaede-chan. Congratulations♪ You have now awakened as a splendid succubus."
Sakuba Takuya is in a family of four, consisting of his mother Yuri, and his twin sisters, Sakura and Kaede. Even though he is not blood-related to them, he spends his day with them like a real family.
One day, his sisters forget about themselves, crave for him and attack him. Yuri, witnessing the scene, happily announces that she is a succubus while Sakura and Kaede are partial succubi. As is the nature of succubi, they need to ingest themselves with semen regularly.
"When your sisters are in a lewd mood, I want you to comfort them."
"Specifically, it doesn't matter if it's their mouths at the top or at the bottom, just let them have lots and lots of your semen."
Accepting Yuri's proposal, with his succubi sisters, Takuya's sex life begins.
University student Shiina Kotori returns home to her family's business inn for the first time in a long while during her summer vacation.
Waiting for her there was her mother-in-law, Yoaoi, with a puzzled look on her face.
The inn is now being used as a dormitory for a certain company and Yoaoi seems to feel guilty about that.
I can't help but be grateful to Yoaoi for trying so hard to protect the ryokan, but there's something wrong with her.
Kotori wonders why Yoaoi wants her back at the university so badly, but she unexpectedly learns the truth.
It was a nightmarish fact that, instead of renting an inn on the verge of collapse as a dormitory, Yohoi was forced to offer her body.
One day, Yoaoi, who is forced to deal with men on a daily basis, is hospitalized due to overwork.
The desires of men who have lost their destination inevitably lead them to Kotori.
Forced to make a decision, Kotori decides to give up her body to protect Yoaoi and the ryokan...
"Listen, Kenki. I know this is sudden, but from today on, she's going to be your mother-in-law."
Dad brought in his second wife.
"What's wrong? Say hello to your new mother-in-law."
"...Hey."
I make a small bow, not looking at her.
This is the best I can do.
I'm not going to open up to her... This is the best I can do.
"I'm sure you'll be fine with... Kenki-kun, right?"
"My name is Chihaya. I'll do my best as a mother-in-law...! From today on, I'm looking forward to working with you...!"
However, the moment I heard that voice... my heart was shaken.
I raised my head and looked at her.
Then a second shock occurred.
(What's wrong with me? I can't breathe. The body is hot.. I seems to become it somehow. Surely I)
So... I fell in love with Chihaya-san at first sight.
Ikuto was raised by his father, having lost his mother at a young age. He attends a technical school to become a nursery school teacher, and started working part-time at a nursery school as part of his training. There he met the older Nozomi, who he admired after feeling maternal charms which he had not felt before.
One day, his father told him that he was going to marry again and it was going to be with Nozomi! At first he was overwhelmed with the sudden news, but he was happy that the one who he looked up to will become his stepmother.
On the day that Nozomi was to move in with them, his father got news that the long-term insect research study deep in the Amazon that he had been eager to go to for quite some time had finally been approved. She supported him on his work, so she readily agreed to stay behind. So, Ikuto was left alone with his new stepmother, who would dote on him and make him feel better, including in bed. Their fun and exciting days have only just begun.
Shouta was raised by his father after his mother’s early passing and he has yearned for a mother figure in his life. Even though he tried to look at his next-door neighbour Hitomi as his mother, those feelings never completely disappeared. Then his father remarried a younger woman named Rena and he finally had the ‘mother’ that he had always wanted. She was very caring and showered him with motherly love, but it ended up spoiling him.
One day, he started sucking on her breasts like a child and she let him continue is daily. His father soon found out and thought that Shouta was making a move on his wife and kicked him out of the house despite Rena’s attempt to clear the misunderstanding. He was left without a place to live, but fortunately Rena arranged for him to stay at her sister Marika’s home. Even though they were complete strangers, they gradually trusted each other and soon lived like close siblings.
Two years passed and Rena paid him a visit.
“Shouta, please come home and make up with your father”
Protagonist, Uzuki Atsushi is a person without any relatives. It is a relative who is distantly related from a hint of things, it will be adopted as an adopted child in the famous local Asagi family. And, it started suddenly, former actress's bland beauty mature woman, a showy black gal manager, healthy beautiful sports woman, mysterious idol younger sister, life with unique women.
Moreover, a lot of lewd happenings to arise...
To Tatsuo who grew up in the fatherless family, there was worry. Mother Misae is loved. Misas mind is also young and the character is also innocent, the physical contact is candidly put. It was Tatsuos worry. One day, Tatsuo discovers a strange cardboard from the closet of home. To the inside, there are idol goods and a photograph, the face seeing properly...
It all started about a year ago, when my father married again. His new wife Akiho, was younger than my mother. That was a big turning point for me... when my difficult daily life started.
"To put it simply, older women are my type..."
I never told anyone about my type of women... and Akiho perfectly fits in my type. As the three lived together, it was perfectly clear that she's my dad's wife, but suddenly dad was transfered to a branch office because of his job and left home. Which means, that there's only the 2 of us at home.
"Souta-kun, if there' something troubling you please tell me."
There is really something troubling me, but it's not the type of thing that I can't speak with you...
"You see Akiho... there is something that I need to consult with my father when he get's back home..."
As a result of that, I started to live alone in an apartment. However, that was the beginning of an important event...
Protagonist was in a crisis. It is caused by the constitution that semen is excessively produced. It is said that if you leave it alone you may die. Such a miserable dead is unpleasant.
Such a desire is accepted, older sister and younger sister and even my mother the sex treatment is started.
Protagonist Haruto, the life only of two people was spent with mother-in-law Ruriko. Haruto, who holds love feeling for Ruriko. A certain day, Haruto that witnesses the appearance of Ruriko masturbated while thinking of the dying husband, it is not possible to finish enduring and it masturbates then and there. Haruto seems to be found and runs away from the place panicking, Ruriko have presumed circumstances by the scent of semen that remained in the place.
It knows the thing considered as opposite sex by the son-in-law, worried Ruriko. Ruriko's Father-in-law, who was waiting for a opportunity to hold her for a long time, comes to visit. Father-in-law who skillfully heard the trouble of Ruriko makes a proposal to her. The content was that Ruriko would make another man to make Haruto give up. Ruriko that is puzzled is thrown down to the sofa, Father-in-law that forcibly connects sexual relation. Ruriko though it desperately resisted, being made climaxing many times by experienced technique of Father-in-law, it is ejaculated inside at the end. After leaving Ruriko sheds tears in sorrow betrayed by a father-in-law who she believed and sense of guilt to the husband. However to the inside of the body covered to semen, the pleasure as a woman who had forgotten long became a hot aching and it kept remaining forever...
The protagonist is someone who likes older women, and he's very popular among the mothers. So naturally, he grows up to be a mothercon. He also has a burning desire to lose his virginity to them. Then one day, an unexpected chance appears.
Protagonist Shinobara Shouta attending secondary school begins an apprenticeship as "librarian" using his summer vacation. It was a mother-in-law Shinohara Misaki sales lady of insurance who looked for a parttimer.
However, when the work is started, boss Hikawa Ritsuko is strictly. It is the same for Shinohara Misaki, a sarcasm word or two are said when the appearance is looked at.
To such Ritsuko though the antipathy is felt increasing, the heart softened. The child is taken from noon, Kuriyama Kana's existence. Manner and speech and behavior are soft, good feelings that feels relieved here. The child who becomes one takes to Shouta, it forgets unpleasant things.
Stopping by the small restaurant "Kamiyan" after work. Until mother dies and father remarries, Kujou Yea who was a landlady looked after properly and existed. With speech of Kyoto accent and a beautiful kimono appearance, it is exciting still.
Enclosed by beauty mature women. Immoral sexy every day starts.
Social reform which began with the reduction of the starting work age, brought various changes for peoples life including the basic income.
Protagonist NEET who was pleased with such a society. Though it lives with his new mother who father who died left, but the NEET is not cured at all.
Mother who has sex with you by promise to work, NEET sex life is enjoyed...
The beginning was a leaflet.
[Delivery mama(Mother) business trip service]
Housework cleaning child care, in place of you busy, i will act as mother.
It was an advertising leaflet of the housework business trip agent service. Work of local that began newly in this area.
Protagonist will usual not take notice of, he was worrying about a telephone number written in the leaflet.
