From MangaHelpers:
Namidare Rekka has a very unusual birthright. After his 16th birthday, he will be drawn into many different stories. Each story has a heroine, and each story depends on him to be the hero. On his first day of high school, a strange uniformed girl that only he can see shows up. She claims to be from the future, and claims that his rescuing of many heroines is going to cause serious trouble for the future.
It's not long after this encounter that his troubles begin. His childhood friend Satsuki invites him somewhere, possibly to confess her feelings for him. However, before she can, she's kidnapped! Rekka wants desperately to help her, but he finds himself being tossed into various sci-fi and fantasy worlds, each with their own heroines in trouble. Will he be able to get back to Satsuki? Will he be able to save all the others? How can he really tell the consequences of his well-meaning actions?

Sasaki Kairi, an Omega, is a newbie employee working at a marriage conselling company.
His problems lie in his client – the handsome Alpha, Jinguuji Haruomi – who doesn’t seriously look for a marriage partner.
What’s more troubling is that, this elite tries to make advances at him at every opportunity!
Now, will Kairi be able to make Haruomi marry someone…?!

This manga anthology includes three stories, recommended and awarded by Hakusensha! The title work and the first story, “Hana Yanagi”, is a heart wrenching love story that takes place in the red light district. The 2nd story, “A Bird of Your Color”, follows Tiana, a young woman with blue hair. Lastly “Dame Maid”, a story of a hopelessly lacking maid and a cute and little, young master.

After Shirou accidentally witnesses his older brother having sex with his best friend's brother, his world is turned upside down. Masami, on the other hand, seems to be taking this way too calmly while Shirou doesn't even know how to act around his friend anymore, but what goes on between their brothers shouldn't affect their friendship, right?

At his older brother's request, Kazuyuki went to teach English to the art teacher Kamisuwa-sensei. Somehow, it seemed that sensei was in love with his older brother... What was this gloomy feeling? ...To begin with, what is love? Do words come first, and then the physical comes after?

Teacher and pupil's hesitant pure love. The older brother's love story is a bit adult.

From HMR:
Once upon a time, there was a little girl. One day she played a trick on a drunk and made him angry. The drunk was going to hurt her, until a boy appeared and saved her. It's been eleven years since that incident, but Nonoka is still looking for the "prince" who saved her.
This manga's got a love triangle and lots of judo!

A naive youngster, ignorant of the tragedy that happened 16 years ago, travels with the sworn enemy of his tribe; a Princess out on an excursion, due to the internal conflicts within the royal family, has to risk her life and survive in the mountains; A prodigy carrying the hopes of the entire tribe, at this very moment, doesn’t have much time left in this world… The 3 of them meet in a world fraught with dangers, will they be able to free themselves from their accursed fate?

Michihara Yutaka likes to eat but afraid of gaining weight. Katsuragi Botan likes to cook and gives food. Chances let Michihara to sit beside Katsuragi, her crush, and Katsuragi just loves to give her foods! What will happen to her diet (and love)?

Two nameless siblings: a sister with a heart condition which prohibits her from having sex, and a brother who only has sex with sleeping women. The brother has a new girlfriend, and the sister dreams of dying. What once was will determine what must be.

A collection of stories:

• Yoru o Tomenaide
A salaryman is suddenly transferred to a side branch of his company. When he sits listlessly at the train station he meets a young woman who doesn't have much will to live. What is her intention when she invites him to stay at an inn together?

• Karisome no Hana (Transient Flower)
Saya has undertaken plastic surgery, and now is popular with men, however, she seems to be unsatisfied with herself. What exactly was her reason to undertake the plastic surgery...?

• Hakanagoto

• Tayuta

• Shampoo Rinse Conditioner

• Shiroi Himitsu

The human can’t choose their ideal body. A memory that had been carved in the flesh would not vanish no matter how much we tried to alter it. A newcomer thus arrived in the town, bringing a gun that could swap people’s bodies. The fierce but full of smile adventurer walk with a secret quest—to find the original body that was taken by his wife.

Debuted in Dear+ #4 (2017).

Twin sisters Airi and Himari have always been very close, and worn identical hairstyles, clothing and accessories. But after they enter high school, Himari starts to drift away from her sister. When cornered by Airi, she explains that she has "a promise with senpai to fulfill," no matter what.

“If you expose our secret, I shall kill you.” After an accident on a mountain, Takatou is helped by Ritsu, a woman with a red birthmark under her right eye. “If consumed, they become an elixir.” Having learnt the legend of the Red Leopard, Takatou seems to become obsessed and continues to search for Ritsu. Thus begins the love romance of these two trapped in a legend.

Shouta, a 25-year-old NEET, is mocked by his former female classmates who've all become successes, at their class reunion. A mysterious incident at the school pool throws him back in time and lets him deal with those same classmates back when they were fifth grade girls.

Megumi, an Alpha, son of the great Kokonoe Academy Chairman, goes to avenge his friends who were beaten by a yankee wielding a metal pipe. But that yankee is Tsugumi, an Omega who doesn’t use suppressants and deals with his heats through sheer willpower. Tsugumi loathes all alphas because they consider omegas just tools for reproduction and has sworn to kill them all. Megumi, whose behaviour is different from other alphas, confuses Tsugumi and leaves him torn between rage and desire…

This Boys Love story is about Inui, a guy who works part-time dressing up as a tokusatsu hero (think Power Ranger) in shows for children. He meets the Mugita family, a father and his son who have a lot of love for one particular ranger. As the Mugita family is always watching his shows with great passion, he got interested in them and is happy when they invite him to their house. But while he enjoys spending time in their warm company, Inui is troubled because some desires in him awake when he thinks about Daddy-Mugita.

Another story included is Aogeba Koishi, where a senpai and kohai from the middle school basketball club meet again as adults.

From Springtime Scans:

Woo-jin is headed home for a memorial service. Da-hong is searching the countryside for someone she used to know. Their paths cross when Woo-jin ruins Da-hong's fruit basket (which she had bought as a gift) by accident, and ends up taking her to her destination in his car as an apology. Unexpectedly, the place Da-hong has been searching for is Woo-jin's own home?! What is their relationship to each other...?

From: Iskultrip Scans:

Young girls experiencing frustrations and growth, a story of youth.

Raised in the small town of Kinoto, Shiho is a third year in Middle School. She loves playing piano and dreams of opening a piano school in town in the future. An attractive student from Tokyo, Nanami, transfers into Shiho's class. Through meeting Nanami, Shiho's world starts to change.

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From MangaHelpers:

Kurata Shiho lives in the small town of Kinoto, up in the mountains. She's in her final year of middle school, and she loves playing piano in the music club. Shiho dreams of teaching piano in her small town in the future. One day, a transfer student arrives from Tokyo. The transfer student, Koba Nanami, is beautiful, but quietly contemptuous of the isolated country town.

Soon, Shiho learns that Nanami is much more skilled at the piano than she is. What's worse, Nanami has no interest in piano, and mostly quit playing years ago. Will Shiho be able to continue enjoying the piano and strive for her dream, knowing that she doesn't measure up to even indifferent players her age? On top of her musical dream, Shiho is moving into the awkward teenage stage of life, full of small humiliations, friendship, and tentative romance. [tethysdust]

As a freshman, Hanakara Kanata fell in love with her senpai in the theater club, but couldn't bring herself to confess before graduation. Now it's her turn to be the senpai, and she soon learns that senpais know no rest. And who's this new tall beauty!? Find out now!