Eris Boreas Greyrat is a former noble girl, who one day was transported to the other side of the world with her cousin Rudeus. She grew as a swordswoman, but ultimately was unable to save Rudy as he was nearly killed. Deciding that she wants to be someone who can support him rather than the other way around, Eris decides to leave Rudeus and go on her own journey.

This is a spinoff of Mushoku Tensei, which splinters off from the main manga at around chapter 51 (volume 6 of the light novel, first season of the anime).

A 34-years-old NEET otaku is chased out from his house by his family. Unattractive and penniless, he finds that he has reached a dead end in life and realizes that his life actually could have been much better if he had made better choices in the past.

Just when he was at the point of regret, he saw a truck moving at a fast speed straight towards three high schoolers in its path. Mustering all the strength he had, he tried to save them and ended up getting run over by the truck, quickly ending his life.

The next time he opened his eyes, he was already reincarnated into a world of sword and magic as Rudeus Greyrat. Born to a new world, a new life, Rudeus decided that, "This time, I'll really live my life to the fullest with no regret!" Thus, starts the journey of a man yearning to restart his life.

The Mushoku Tensei 4Koma.

A spin-off series about the life of popular character Roxy from the popular series "Mushoku Tensei".

Having discovered that she has been born without her race's racial ability, Roxy went through a childhood of isolation, but her chance meeting with a magician broadened her horizons. What awaited the young girl that, looking for freedom, left her hometown was...!

Mankind is near extinct due to the rebellion of a slave species that they created. This story follows one of the last humans, Yakumo, as she travels to find Center, hoping to unite the humans living there in peace with the Matrixer.

Just like mushrooms that grow as a log rots, memories collect as life goes on. Even though you might not remember anything right now, they are still there. And will eventually be remembered.

From Shoujo Manga Maniac:

Lin is an average high school girl who has a huge crush on Daiwen, a popular TV host. Super Pop singer Gonjieh, who is Daiwen's enemy, transferred 6 months ago to Mushroom College. Phoebe and Jia are Lin's best friends and luckily end up in the same class. Unfortunately for them, Lienze, the no.1 delinquent in her school and who scares the living daylights out of Lin, also happens to be in her class. To make things worse, Lin's uncle appears, who she says is the root of all trouble. How will Lin survive?

Wazi, a pro-gamer but an average college student, is invited on a date by his fellow gamer. However, he is hit by a truck on his way.
I decided to change my life from today onwards… Is this how it will end…? No, I want to live the life of my dreams…

Where am I…? What is this place?
Welcome to Brave Mainland!
Am I turned into a Mushroom? How am I supposed to kill the demon king?!

The story of a coward mushroom on his adventures to become an overpowered warrior.

Aka Gakki Shoujo

From The Zero Alliance:

The temple protects the City of Sound by having hymns sung every day.
But why does the sound echo throughout the temple? Why does the song seem like a requiem?
And why are the hymns so important that…. the city will collapse if they stop?!

Tsugumi Rinko can’t wait to escape the tedium of high school for the challenges and rewards that accompany life at a fine arts college. She only has two problems: 1) She has few social skills and fewer friends. 2) With less than nine months remaining before her crucial admissions test, she has no practical art experience. Winner of 2011 New Face Award at 2011 Japan Media Arts Festival Awards.FYI: No demographic should be listed. Originally serialized in-app and NOT in a magazine of any type.

1945, Ueno. The souls of those that lost everything burst at the ruins left by the war.

Kanekichi, a war orphan who lost his family continues to struggle in despair.
But upon meeting a mysterious young man, Kanaida, the boy's heart starts unraveling ...?

Two boys from different schools have developed a routine where Ren, the elder of the two, assists the younger Nachi in fixing his necktie before they board the morning train for school. When Ren begins to worry that they may be giving the public a wrongful impression of their relationship, he realizes that he does indeed possess romantic feelings for Nachi and decides to put some distance between them before things go any further. But is that what Nachi really wants?

Things about girls that adolescent boys dream of with full delusion. While saying, “A man is really stupid!”, Yuime Nemuri likes him, so she can’t refuse him when such things take place! Instead, it all seems to be a mess…?!

Volume 2 of the YuuTopia Collection, contains four stories: the title story, "Perfect Lovers", "Memoir Girl" and "Hang in There Nakago (Part 2)". This last story is the continuation from the last story from Mint de Kiss me.

1. Musubiya Nanako: Nanako has her mother's ability to see the red strings that bind to people together in love. At her parents match making shrine, Nanako is forced to bring couples together by binding their strings. But who is she to be bound to?

2. Perfect Lovers: Mitsuharu and Kana get into a car accident just after breaking up. They wake up just to find themselves in a dimension where homosexuality is normal and heterosexual relationships are illegal.

3. Memoir Girl: Katakura Hitomi does not like her new step-mother taking up all the attention of her father. In an abandoned school building, she meets a high school boy who becomes her confidant.

4. Hang in There Nakago (Part II) - Continues the tale from Mint de Kiss Me.

A cute manga about a monster girl with her son.

A divorced man who seemed to have had a one night stand with his children's kindergarten teacher.

The title roughly translates to "My son's been taken care of"

A new 'Old man Meets Girl' manga from the author of 'Yandere Kanojo'.

Muramasa Yukari is a man in his forties, who works as a teacher in all-girls high school. One day he got a call from unknown girl, who told him his son passed away and that she was his widow. That was the beginning of his life with his newfound daughter-in-law.

The remarried mother. After their divorce, the father who lives with his "boyfriend".
Living surrounded by such family, highschooler Mayuko is now at the height of her adolescence. Beginning from Mayuko's "runaway", intersecting various life, these are the runway story which will dye in to your heart.

A delinquent finds a girl abandoned in a box... and takes her home...