From ShoujoHearts:

When Hana was a child visiting her mother's grave, she got to know a young boy named Yuzuru. He was Hana's first love. When she heard that he ended up moving away, she thought that it wouldn't be possible to see him anymore, but...?

Loser Shinjou Maita is trying to get new members for his movie research society club when he stumbles upon angelic first-year Hotohara Shiori. Life seems to be looking up for him, until a strange woman appears in his apartment, warning him that his life is in danger.
Basically a Female Terminator protecting you and your "SEED" from other robots.

From Storm in Heaven:

Welcome to Momoko's waking nightmare. Things were settled, they were! She was SUPPOSED to have gone to a normal school, made normal friends, and led a blissfully normal life. But the universe is just cruelly, irredeemably, monstrously unfair, so instead she found herself thrown out of home, stuck in an all-boys boarding school with a roommate she hates, cursed with a hideous haircut and wearing clothes which, to be frank, she wouldn't be seen dead in. And the only thing worse than her current situation is the one that she'll be in if anyone ever realizes that she is, in fact, a girl. Everything is wrong! Particularly the fact that, even though she's surrounded by amazingly gorgeous guys, her chances of romance are less than zero. But with life this complicated, something's bound to give - and so it does.

1-3. After a stranger named Akio pays off Takuma's debt, Takuma finds himself working in Akio's shop, only to realize it's a host club. Takuma believes it's impossible for him to entertain women in such a way, but with proper guidance from Akio, he decided to do his best as an amateur host. Then one day, as Takuma tries to be more intimate with a customer in order to become a better host, Akio attacked him and said, "Do you want to sleep with someone that badly?"
Read on to see out what unfolds between these two men in this gorgeous love story.

4. Sakura and Raji are hosts who work together in the same club. Raji is the No.1 host and a total "King" with women literally falling to their knees begging him for love. Sakura is very nice, but totally cool, collected, and a bit pretentious. Raji keeps trying to hook Sakura, but Sakura is not going to just be thrown away like all those women...

5. Dental Wedding
A wedding agency consultant is desperately trying to match up a "perfect bachelor" with a bride, but maybe the bachelor doesn't want a female bride?

6. Extra
Extra of first two couples.

A collection of stories:

1-2. Boku no Ano Ko
Amakura Chigusa has been engaged to Aki-chan since he was very young, and he's been looking forward to marrying her his entire life, doing everything he can to become a man worthy of such a great bride as his Aki-chan. Unfortunately he's never met her, as their parents agreed not to let their children meet one another until they were both 16 years old. But when Aki-chan's parents move abroad for work and she decides to stay behind in Japan, Chigusa's family takes her in, and the future bride and groom meet one another for the first time?

3. Megane no Kimi ni Koishiteru?

4. Bokura no Timing

5. Yoteigai no Koi (Unexpected Love)
In all of his 18 year old life, Takezaki Aoi has never received any love confession. Today, suddenly... there it is. A love letter, right on top of his desk! What should he do now...? Does this mean his first love is going to be revealed?

6. Suki Suki Daisuki

7. Ima no Ano Ko

Mochidzuki Renta is an aspiring college student, trying to support himself while studying for the entrance exam of his preferred school. He's started renting the spare room in the Hanano bath house. What this means is that he's living with the sweet, hardworking, innocent, and quite beautiful Bandai Sakurako, who runs the bathhouse. They are growing to like each other more and more, but one thing could potentially sabotage their budding romance. Every other woman Renta meets, even his college entrance cram school teacher, seems desperate to get in his pants. And Renta meets a fair amount of women, since the girls from the dorm of the nearby nursing school often come to the bathhouse. Will Renta be able to deflect the unwanted attentions of all those women in order to pursue a relationship with Sakurako?

Fed up with her NEET attitude, a vampire debutante's parents send her out in the human world where she must earn her own food

Chopin and Liszt - both great composers, friends, and rivals. Liszt, after Chopin's death, Liszt remembers their meeting, their friendship, their lives together, and the music they made.

Hiromi can't wait for her cousin Makoto to come live with her - but when "he" finally shows up, she gets a good deal more than she bargained for. Toshiki Yui turns a hentai fetish into the plot hook of this high school situation comedy.

Yukinari Takase is a huge masochist who instantly takes a liking to Rion Tachibana, a menacing trap who just transferred into his class. After Rion believes Takase has uncovered his secret, he decides to make Takase his servant in order to keep his mouth shut.

A young Tetsuou watched a performance by Giovanni Bazonni and was inspired to become a master cellist. But he knows that living as he is in an out-of-the-way Japanese island means his musical aspirations are unlikely to be realised.

One day, a boy named Ikumi comes to stay at Tetsuou's place. Ikumi is the sole survivor of an accident at sea, wherein he saved himself by swimming out to Tetsuou's island.

But he makes a surprising claim: he says he found his way to safety by following the sound of beautiful cello music, and is convinced that the player was Tetsuou.

From Aerandria Scans:

All this time, Aki has harbored a one-sided crush for a boy she saw jumping higher than anyone else. During the spring when she's in grade 9, Okumura transfered to her class. After seeing his jump, she has the feeling that he's the boy she once saw, and she started to notice him more. And then, she heard an unbelievable rumor about him...

From Tenshi-Tachi:

Takuma and Mayu's story began when they were only 8 years old. During his childhood, Takuma was constantly hospitalised due to his heart condition. He soon became friends with Mayu, the daughter of the doctor in charge of his case. Day by day they grew closer and closer. However, the summer when Takuma was 8, he made a promise to Mayu that he couldn't keep... Their story unfolds as they grow older and their bond gets stronger...

This manga received the 53rd Shogakukan Manga Award for shoujo manga.

Extras:

• V.01 - Motto Ikitai...
There is a ghost looming in a hospital. Two little kids, Mayu and Takumi, are now scared after listening to the ghost story from a nurse. Was the story told by the nurse true or not? The kids decide to find out.

• V.07 - The Things I Want

• V.11 - Kare wa Ike mo Shinai Sarukoen wo Mezasu

The appearance of "quirks," newly discovered super powers, has been steadily increasing over the years, with 80 percent of humanity possessing various abilities from manipulation of elements to shape-shifting. This leaves the remainder of the world completely powerless, and Izuku Midoriya is one such individual. Since he was a child, the ambitious middle schooler has wanted nothing more than to be a hero. Izuku's unfair fate leaves him admiring heroes and taking notes on them whenever he can. But it seems that his persistence has borne some fruit: Izuku meets the number one hero and his personal idol, All Might. All Might's quirk is a unique ability that can be inherited, and he has chosen Izuku to be his successor.
Enduring many months of grueling training, Izuku enrolls in UA High, a prestigious high school famous for its excellent hero training program, and this year's freshmen look especially promising. With his bizarre but talented classmates and the looming threat of a villainous organization, Izuku will soon learn what it really means to be a hero.

Note: Nominated for the 8th Manga Taisho Award. Won the Harvey Award for Best Manga of 2019.

A spin-off manga includes various comedy gags of characters in the main series.

A college student buys a new apartment dirt cheap and the reason was that once the front door is opened from the inside it connect to a dungeon in another world instead so he goes to an adventure in the dungeon and meet new companions which treat him as a the Great Sage

Yokomichi an omega, is always dumped by his Alpha boyfriends whenever they find out that he wants to top them.

Now his new target is the Alpha president of his company who comes to work by helicopter.

From Shogakukan: Naho Amatsuki, a seventeen-year-old girl, went to see a live performance of "Brash" for the first time, and she loved "Gaku" at first sight. "Gaku" is known as a man who takes out girls. Naho was literally taken out by him. What is the true character of "Gaku"? Lovely, cute short-piece stories written by Kaori for Monthly Cheese are collected. Read this manga from right to left