Cthulu x Gyaru!! Basically a comedy about a cum-guzzling exploitative gyaru eldritch being.

[from cotton candy scans:]
Nagi, who has always dreamed of a sweet romance, is troubled by her dislike of men. However, she meets a beautiful, androgynous, male model, Aran, who asks her to help him with his modeling work. Nagi's heart is pounding at MAX capacity at his urging and promise that "I'll teach you every thing you need to know"! When she realizes that she doesn't mind being touched by him because of his transcendent beauty, Nagi asks this beautiful and pushy man to give her lessons about love in exchange! Love lessons for a limited time between a beautiful, egoistical male model and a boyish and competitive girl!

The story drags us into the daily life of Mashiro, a handywoman, who takes care of helping the people of the village. One day, the Dominantor Empire invades the region and captures all the women to make them their slaves. When her friend dies before her eyes, Mashiro, mad with anger, manages to wake up the millennial robot who was secretly residing in the village. It is now her chance to stop the thirst for uncontrollable power of the Dominator Empire. Soon, she is joined by other mecha pilots in this crazy quest to oppose an entire Empire.

In the world of the Goddess Wellos, women are blessed with strength and good looks and men with good luck after sex. The women who gain this godly strength and good looks become a Paladin and participate in battle and the men support the Paladins as Chevaliers. in Lente village, Kite, the son of a blacksmith, is a boy with a very strong libido. Former Paladin Lilia identifies him as a chevalier candidate and encourages him to join the Royal Academy in the capital to become a Royal Chevalier.

After dropping out of the art school in Hokkaido, Hibino Ryouichiro moves to Tokyo and starts a living as a novice ero-manga artist Hanabino Q-ichiro.

[from cotton candy scans]

Tough luck for Sayo, who was suddenly presented with the sight of her boyfriend cheating on her while at work. Thereafter, her boss forces a close coverage program on her, but the composer, Kobuchi Chizuru, outright rejects her! However, he will agree to do the program if Sayo agrees to be his contract lover?! An eccentric composer who doesn’t know what love is x a really unlucky girl at both her job and love life, a heart-racing lovers’ contract!

Yamada Yoko, a high school boy who has a movie producer father. One day, while out with friends to shoot a film that he plans to enter into a film festival, a poster of Papiko, an adult video actress with big breasts, catches his eye.

In the near future: A world renowned mathematician / physicist Francis Dullam loses his left brain hemisphere and retires from hard science to study dolphins. Several years later he comes up with the new thesis which is essentially a collection of dolphin footage. As the "thesis" is being severely criticized by the media, Ishii Mitsunari (a student living in America) discovers the idea hidden there, that will help to create the true Artificial Intelligence.
Motivated to create the AI first Mitsunari leaves for Okinawa to follow the footsteps of Dullam.

After Yuuko graduated from junior college, she ended up managing a clothing shop. Though her career is going well, she hasn't had time to work on her love life. One day, she's out drinking with her best friend, Mikan, bemoaning her lack of a boyfriend for a Christmas date. When she trips and hurts her leg, Mikan asks her little brother Leo (an 18-year-old) to see Yuuko home safely. When they arrive at her apartment, though, Yuuko makes a move on him and they end up sleeping together.

The next morning, she realizes that she not only slept with her best friend's little brother, she actually took his virginity! Leo isn't satisfied with it being a one-night stand, and they start having a completely sexual relationship. Will she be able to keep this from Mikan, and is it possible their relationship may grow to something more?

A series of one-shots based on the Diabolik Lovers otomegame.

Yoshino, a girl who spends her days in solitude stumbles across a mysterious book in a secondhand book store. She accidentally summoned Belial the demon, and he tells her she may trade one thing for a wish. Yoshino's wish? To be together with Belial until the day she dies...

Seigi, a martial arts trained middle schooler, often feels driven to protect the weaker people around him. One day, he defends a homeless man against some punks, and the man gives him a strange tattoo on his palm in return. The tattoo is a secret weapon produced in the arms race between America and the Serinistan Kingdom.
Seigi finds himself in over his head when a powerful girl, using the same secret weapon, violently pursues him in order to retrieve it. His skill at martial arts may not be enough to keep him alive, but will he be able to learn how to trigger the power of his tattoo in time?

Yuta Shimabara, who was run over by the truck, reincarnated in a different world as a hero and subdued the Demon King with unrivaled power!
── Ten years later, what he has to show for is a mediocre and hard-working daily life.
However, the forbidden love with the female warrior Lucas, a member of the Demon King Subjugation Party, heats up ...!?

A high-school boy, while sleeping in school, saw a dream in which a girl proposes to him, and then a goddess pops out and grants him something special. The girl from her dream happens to be his classmate sharing the same family name – “Suzuki”. After that, he finds out that he got a special app on his mobile which lets him see other girl thoughts!?

Satou-kun is Peeping(Prequel) it is advised to read it prequel for better understanding of the app.

In the future, an app debuts that can simulate your romance with a partner of your choosing and calculate the compatibility score. Is this a way to have a romance that never fails? What is it that people look for in a romance anyway?

This series has adult situations and some explicitness, but not the level you'd usually expect from LEN[A-7]'s other works.

Author website: http://zoal.jp/
Pixiv: https://www.pixiv.net/en/users/59958
Twitter: https://twitter.com/LENA_Anana

The fourth year of the Meiji Era. Yukinosuke, the son of a family of the privileged aristocratic class, goes about his life covering up a worry he has, being “I have not once had an erection”. In the midst of such troubled days, he meets Sayo, the head of a family of executioners spanning back into the Edo period. After witnessing a beheading performed by her, something pitch black starts to well up inside Yukinosuke!! Sprouting from lust begins a noble romance of blood and nature!!

My name is Touno Touru and I'm attending to an advanced boarding school though nothing is special about me.And there is Shirakawa Yukine who is a famous girl in our school. Because she is too cool to be accessible, the nickname "Snow White" attached to her. But somehow our paths crossed and I learned something crucial. The fact that she was a middle-school diseased gamer called "Black Raiant Princess Kriemhild" and a masochist. An extreme one at that.

The first prince, a childhood friend, a general, and an assassin - what if they suddenly ask for love...?!
An anthology from “Moonlight novels” that collects the adorable stories of young women and charming men!
Includes 4 one-shots with plenty of lovely and sweet R-rated scenes. We will give you a lovely romance with high sugar content!
Volume 1 Information:
Spoiler The Villainess Can't Escape
Artist: Huyukusa Momo Original: Akane Sumire

The Use of Engagement Cancellation Was Planned
Artist: Kitamura Shin Original: Itsuki Tachibana

The Princess Is Weak Towards the Young General
Artist: Nekonomori Shima Original: Saki Ouya

The Otome Game’s Season Will Begin, but It’s Too Difficult for Me Who’s a Mob
Artist: Tsutsumi Hato Original: Usui Katsura

Patissier Haruka decides to make a secret contract with Kazutaka Suo, a member of the yakuza Suo group who is a regular at her store, to repay the debt of the store she inherited.

Kazutaka is young but already the leader of his group, and he also fell madly in love with Haruka's sweets.

Craving both her sweets and her body, Haruka cannot get help but get involved in the underworld...

From Chibi Manga:
Momoko is just a normal waitress who works at a cafe, but suddenly a fateful romance appears right in front of her....