A collection of stories:

1. Black Outsider
Amano bumps into his crush Takase for the first time since high school almost 20 years ago. They go out for a drink but, a lovers spat knocks out Amano. When he wakes up he finds himself in high school again!

1.5. BurnOut
Black Outsider extra

2-5. Dorobou to Hatsukoi (A Thief and First Love)
Tachibana Yutaka has a face-to-face encounter with his guilty past when he runs into his high school crush Momoi. But Momoi has a secret too, and has no intention of letting Tachibana run away.

6. Dorobou to Destroyer

6.5. Dorobou to Hatsukoi Extras

There’s a famous person at my school. He’s a young high school student who’s a well-known novelist, and he’s good looking and smart. There are rumors that he’s a little weird, but teachers say that he’s quick at learning. It turns out that I have to confess to that famous person, Komaki-senpai, for my friend. That was the start of our friendship, but there’s a rumor that Komaki-senpai sleeps with teachers...

Sensou-sensei loves his life as a kindergarten teacher! So what is he crying about today?! This is the heartwarming story of a crybaby teacher, his cute students, and his (not so cute) colleagues!

As the end of high school looms near, Mayuko is unhappy with her performance in the last mock exams. Nudged by her friend Megu, she seeks help from Haru, another classmate. They become friends, and maybe, just maybe, something more.

Shorts about girls who transform into machines.

Gen, a recently bankrupted and now homeless guy, meets an unusual hungry girl named Hios who can eat anything with her chopsticks.

From Chibi Manga:

Here, young people, girls and boys, are living under the same roof. Mahiro is living with other people for the first time and everything is making her nervous and exited! Will her destiny will change? Will she find love? Or something else...?

Contains oneshots:
Natsu no Kakurega
Natsu no Ashiato
Unbalance ni Koishite

Onodera Saku posed as a boy up until the end of elementary school in an attempt to console her mother, who tremendously grieved the death of her elder brother. Seated right next to her, on the other hand, is Nishioka who grows out his hair beyond the usual length for boys and because of that is picked on. Following a conflict with his classmate he decides to cut it short. Next day he helps Onodera when her toilet bag is snatched away by that very same boy. Fast forward. Onodera no longer dresses like a boy and finally confesses her love to Nishioka, but is rejected. How did it turn out this way?

Evan Douglas despite being born in nobility, he was bullied by everyone in his family due to his low mana capacity and even more due to his black hair and eyes that does not run in the family.
The only person who is kind to him is his maid Serafina from the wolf beastman race that is of similar age and he is later exiled from the family and Serafina follows him. But either by luck or fate, after suffering a hit in the head, Evan started having dreams of a place with extremely high-technology beyond anything he could imagine, in it he saw dolls being controlled by some strange magic and glowing windows with moving pictures. These dreams lead him to develop a new magic he calls control magic, that does not belong to any of the known elements. Now Evan with his new abilities goes adventuring with his maid Serafina.

A 5000-year old vegan dragon was living peacefully when one day a young girl showed up in his cave. She offered herself as a sacrifice in order to gain favor for her village. He played along as the great "Jaryuu-Sama, the Demon Lord’s Army Leader" in order to get rid of her. However, his little white lie awoken her hidden powers and his peaceful life suddenly ended.

Marufuji Enta has a crush on Kenzaki Ameri and as they visit the same class for the first time the best day of his life starts! Ironically, he gets kidnapped until a mysterious hooded girl appears in front of the gangster's car in the name of justice.

A boy named Park BongPal has psychic abilities to see, talk, and - get this - touch ghosts.

Shizuka is a very beautiful ojou, respected daughter of the Nishizono household. Her father's company is having a slightly rough time financially and as is usual in the higher circles, her dad is trying to solve everything by having Shizuka marrying a prominent talent or a heir of a big family in order to expand & solidify the business.... Shizuka is very respectful and loves her father a lot... but she absolutely hates having her freedom restricted, however her own father's pushiness has created the habit of forcing her to run away from the house every time an omiai looks too imminent.

Gisin, who appeared suddenly like a ghost, said something ridiculous like do you want to be my wife... Soon after, ghosts became visible to Eunah and started to chase after her wanting to eat her.

"It's so obvious that we can listen music for free, but all music losing its value. ─"

The near future. Drinking into the wave of progressive data conversion and flattening, digital music has been losing value, On the other hand, "live artists" expressing realistic music were reevaluated and became the admiration of many people.

Revolution to Live, Known as "LiveRevolt". In such a world, Girls struggle to win peaks at the live artist training school "Kanadegaoka Girls School". This is a story of the girls who aimed at the top of the live artists and fought with songs as the sword.

Hyakujyou Academy is a boarding school with state-of-the-art educational facilities where all students are provided with smartphones and an Artificial Intelligence-powered “Avatar” that supports their studies. This academy though has another feature that makes it completely different compared to other schools, a “Penalty System” which punishes students if they don’t meet the academy’s strict performance targets!

In a world in which, a long time ago, a mage was said to have been brought to destruction by a monster that ate it. Without parents, Kunimi and Chisayo are picked up by the owner of the region and are made to work. One day Chisayo receives a harsh punishment. Kunimi who thought that it won’t be a good idea if this continues, takes his sister and runs away. But then, they are swallowed by a large sudden crack in the ground ?

Prince Naka-no-Oe showed his interest in the talent and beauty of Nukata. He then offered Prince Oama his daughter for marriage, in exchange for Nukata. Prince Oama was in agony as he was devoted to his brother but in the mean time, he loved Nukata. In the end, he chose to let go of Nukata as a gesture of loyalty to his brother, however heartbroken. This was the beginning of the long and epic series of Tenjo no Niji, in which Princess Uno-Sarara, Prince Oama's then young bride, would become his ally in succeeding the throne and later made herself Empress Jito…

The "erotic comedy" manga centers on Ayane Kurozumi, a beautiful detective who has legs that can take anything down. She takes various jobs so long as she gets proper monetary compensation.