Even though he’s such a good-for-nothing…
Why is my heart racing like this!?

Hazuki Umi is a caring middle school student, beloved by everyone who lives on the island.
In contrast, Inoue Fuuta has done nothing but be lazy at home ever since he moved to the island to open up a guesthouse.
An overwhelming age difference of 15 years lies between them.
He has no delicacy, he isn’t reliable at all…
And yet, his words always manage to make her heart race, her face flush---

The age-gap romance between a pure middle school girl and a boring 30-year old man begins now!

A twitter short by @hamita1220

"Let me look at all of you," he says while peering into my eyes. Every single one of his thrusts makes me ache deep inside both my body and heart. I didn't know I was still capable of feeling this way...

A slave to her work, Marika Kudou only finds out about her broken engagement with her fiancé over a single text message. The saddest thing about it is that she doesn't feel anything at all when greeted with the news. That same night, she meets a kind man at the bar whose gentle words are so comforting that they end up making love in order to soothe her loneliness. However, the sex was too intensely passionate to be merely called comfort sex. Just as she decides to lock the memories of that night away, it turns out that the new president at her company is the same man she was in bed with until that very morning!

The various, daily life of the female student who hates love, Han Yeonsil. A romcom you can relate to!

Sayaka, a kindergarten teacher, has to start doing adult work to cover the moving expenses after her boyfriend left her. However, her very first customer as a call girl is none other than the parent of one of her student...?! Andou-san raises his son on his own and takes him to school every day. Such a kind man, he tells Sayaka take her pay and go home without doing anything. Sayaka refuses, and now Andou-san is going to 'touch her until the time is up'.

From MangaHelpers:

19-year-old Roji Shizuru has a crush on a fellow university student, Nana, but there always seems to be complications when he tries to get closer to her. For one thing, he's afraid his hot friend Tachibana Masaki will steal her. Beyond that, the main complication comes from the interference of children, specifically one odd child called Maida Kokoro, who keeps clinging to Shizuru and calling him 'mama.'

Eitoku Academy has a legacy of being a school for the ultimate elite, the best of the best. And the most rich and powerful students there have formed the Correct 5 clique to maintain the integrity of their school. Unfortunately, new student Oto Edogawa doesn’t have the pedigreed background of her peers and has to work part-time jobs to help make ends meet. Will a chance encounter with Haruto Kaguragi, the leader of the Correct 5, put everything at risk?

There are many students at Iojaku Private Girls School who have eccentric personalities. From the girl who is overly attentive to matters regarding public morals to the point she would kneel and stare straight into the crotch of a man who is pants down on the toilet, to the delusional girl who loves her teacher way too much and often has lewd daydreams about him in school, as well as the girl who's a self-proclaimed sadist. Then there's the teacher who watches over them, an iron wall that remains unperturbed by the perverted happenings around him. (Source: Mangaupdates)

Links:
Bookwalker Separate Chapters: https://bookwalker.jp/series/239081/list/
eBookJapan Separate Chapters: https://ebookjapan.yahoo.co.jp/books/580063/

Chitose is a high-school student who lives in Okinawa. One day, she meets Yukito, a student from Tokyo with whom she almost instantly falls in love with.

After he kissed her, they plan to meet the next day but she falls ill from the Swine flu.

Wanting to find her love, she transfers to Tokyo, only to discover Yukito already has a girlfriend ...?!

Mihara is a teacher who just can not have a long relationship with a girl. Then one day go to a bar and tries to prove that is not gay so enters with a terrible temper and rejects all that come around except Shouta, who falls for him at first sight. From then Shouta will not stop bothering Mihara do it because you want to fall for him. Why Mihara refuses the idea of being gay?

An "after 100 days" side story to the original "A Story About Wanting to Commit Suicide, but It's Scary So I Find a Yandere Girl to Kill Me, but It Doesn't Work".

Traps have existed since time immemorial; a fact that Chiroda Taishi laments, as he seems to have both an affinity and an aversion to being trapped.

Hime is a cute and petite high school girl, she has feelings towards Itoha, a playful girl who is also cute, pretty, and whose charm can dazzle the eyes. When Hime made up her mind and confessed her feelings to Itoha, she didn't think that Itoha also felt the same towards her. That's how the love story (with an Ero-Manga twist) began.

Once before, Seven mythical Gods appeared on Earth and their battle split the earth and tore the sky. 10 years after the battle, the calamity should have passed already. However. A boy named Shinsen Raika had his true little sister abducted by a god in the battle and was currently standing in the『Academy』on an artificial island in the distant seas.Here, the night was called as after school time.
During that time period, the 『Gods’ Proxy War』 were being held by using Divinity-Compatible people for gaining the seat of the law of world.
On the first night, Raika was attacked by the Norse mythological God Brynhildr. With death in front of him, he acquired the detestable power of the gods; the power for revenge. Absolute Domination. Using the power from the devil eye of Balor, he tries to take back the world from Gods control.

Natsuaki has a crush on his classmate Nashida, if only he could just come out and say it! An unrequited love comedy between the inscrutable Natsuaki-kun and the unaware Nashida-san.

Lee Jaekyung, a violent girl, just wants to live a peaceful and normal high school life. She goes to the same high school that her crush, Yu Minwoo attends, and even learned to sew and cook just for him. She finally sees him again when he gives his student body president speech, but she also finds out that the annoying playboy Sejoon Kang, is also at her school. How does Jaekyung know Sejoon? What will happen next?

A fated meeting in spring leads Narita Misao on a rollercoaster of manipulation, love, and lies.

Yuriko is the young female CEO of an apparel brand. Due to the nature of her position at work, she pretends to be a celebrity playgirl even though she is an earnest woman wholly dedicated to her job. In reality, she has zero experience with dating, but this is something she definitely cannot allow others to find out especially by that guy.

Shibuya is the CEO of a nearby high-end brand. Though Yuriko definitely considers him her rival, he, frustratingly, does have better skills than her.

One day, he catches her by surprise when he proposes they play a little game! Teasing her innocent breast and sweet spots has her screaming, “No more… my body’s going to go crazy…!”

But ever since their little game, Shibuya hasn’t been himself?

When the Chemistry teacher secretly practices witchcraft at normal school, many things can go wrong! Fuyumi Renji realizes this as Kirise Ririka somehow walks through all his magic barriers and interrupts his spell casting! How could a normal high school girl ever be able to do this?

Nishimori Tooru (31), an unattractive office worker, is married to the most beautiful woman in the company, Mika-san. From an outsider's point of view, they would be envious of him. However, he has a secret he cannot tell anyone about. The only female he knows is Mika, but Mika had known lots of other men. Because he loves her, he is bothered by this fact. "It's not possible, and it will never come true..." After falling off the train tracks, a miracle occurred. This is a twisted but a youthful and pure love story about he who longs for his wife's virginity.