Genre - Seinen

From MangaHelpers: Riku experienced a lot of pain and tragedy in his early life. After his father's death, a former-boxer Yakuza man taught him how to do a basic punch, and that punch saved his life when he had to defend himself from his mom's drug dealer. He ended up taking the drug dealer's life, marking him as a killer. Criminals continued to come after him, leading to more tragedy for the people who attempted to care for him. All of this drove him to ask that same former boxer to teach him to become stronger, which led him to a rundown gym, his door to the world of pro boxing! [tethysdust]

From MangaHelpers: An alternate story of "Robotics Notes." In 2019, childhood friends Yashio Kaito and Senomiya Akiho are together in their high school's robotics club, but it is in danger of being abolished. Akiho wants to preserve the club, as she feels like it is her last link to her older sister, a roboticist. Akiho has only Kaito to rely on, but he's more interested in the game "Kill Ballad Online." It turns out, though, that Kaito's obsession with Kill Ballad may come in handy for their robotics club, and there are other allies they'll meet along the way! [tethysdust]

Is he a recluse or an eccentric? Does Fujii, the seemingly ordinary employee of the corporation, redefine what "happy" is? He is an ordinary middle-aged man who does not make an impression at work. Even though he performs his duties effectively, he does not mince words. When it is time to quit, he vanishes into thin air. In the first place, he is not the kind of person to be invited to drinks after work. More accurately, his juniors view him as the guy they would least desire to end up like. However, he makes others curious. "What does he do on the weekends?" "Does he have friends or a girlfriend?" and "I wonder how he was raised?" All of a sudden, you find yourself enthralled with Fujii... The author of "Reborn no Kishi" masterfully captures this elusive, difficult-to-express emotion in this captivating life drama!

At the popular Japanese-style tea house Rokuhoudou, customers can count on receiving not only excellent food and drink, but - if they wish for it - a helping hand in solving any problem that may be plaguing them. Serving in Rokuhoudou are four men who are consummate professionals in their individual fields: tea expert Sui, barista Gure, pâtissier Tsubaki and chef Tokitaka.

Tale of a group of School girls who investigate some cases (description based of just 1 chapter)

Subsequent to being beat up and placed into a state of unconsciousness by eight of his cohorts at Neung Kwang Middle school, Seayoung woke up in the wake of nine difficult months and discovered that his dad ended it without anyone else immolation trying to get equity for what befell him. Subsequently, the examination re-opened and that assailants who attempted to hide it where no one will think to look got an appropriate sentence for their violations. In any case, Saeyouing couldn't alleviate the annoyance and dread he felt for the uncalled for world. Saeyoung completely concealed himself from such a world. The sun would rise and set, the seasons changed, and not once did he step outside of his home. In any case, at some point, an unexpected and peculiar sound allured him to open the entryway… Implanted in the focal point of the housetop was a huge edge decorated with the words "battling blade" and with it, came the murmurs of a God.

One day, a yakuza gang member is attacked in Roppongi, Tokyo. This is only a prologue to one man's revenge story, triggered by the events of twenty-two years ago. The flames of revenge burn in the darkness of the city... By the author of Hitoshi Tadano, Chief of Special Operations, Kimio Yanagizawa!

It's a story about a time-traveler, who passes through time and space of different world. Finally, he arrives at Three Kingdoms period. With familiar heroes, such as Zhuge Liang, Cao Cao, Guan Yu, he is going to rewrite the history in this fantasy journey!

After a traumatic incident, Jun Sakurada refuses to interact with the outside world and return to school--he even shuts out his sister, his closest friend. Jun spends most of his time online buying spiritual items that are obvious rip-offs. One day he finds a website that curiously enough asks him to put his order in his desk drawer. Thinking it's a joke, Jun plays along. The following day a suitcase arrives containing a doll named Shinku... that comes to life before his very eyes! Welcome to the world of Rozen Maiden, where Jun must enter an all-new reality to protect and serve a living doll...

As a continuation of Rozen Maiden, the story starts with an older Jun, who is now a university student. While working at a bookstore as his part time job, he finds an unaddressed copy of the first issue of a weekly magazine "How to Make a Girl" containing a spring. He brings it home, and soon starts receiving further issues of the magazine by post, each issue having one part of a doll's body as a gift. One day, after putting much effort into assembling the fifth Rozen Maiden doll Shinku, he receives a notification that the publication has been cancelled, leaving him with an incomplete doll. Suddenly, he receives a mysterious text message from his old number, claiming to be the Jun Sakurada asking for help against the seventh Rozen Maiden doll Kirakisho...

Rikitaro is a musician whose dream is to become a rock star just like Jimi Hendrix or Jim Morrison, but at the age of 27 that dream is fading away rapidly. Ooishi is a 3 time world boxing champion who recently retired and is now in the entertainment world, shooting a boxing reality show. These two unlikeliest of people cross paths one day but both of them think nothing of it until weeks later. Rikitaro is given one last shot by a record label to sign a deal but before that, they need him to get into better shape so that he is easier to sell. He stumbles upon a boxing gym which also happens to be the same gym Ooishi is filming his show. As fate’s wheels start to turn, neither man realizes that they will work together to train the best boxer ever, even better than Ooishi himself.

Katagiri Yuuji is a divorced, single, lazy gambling addict whose only real activity is playing Pachinko. He does it well enough to get by, but his life is more or less empty... until a young girl named Miura Satomi appears, who is a big fan of his. A classic story by Fukumoto about Pachinko, attraction, and the thrill of gambling.

The future-fantasy world of Remnant is filled with ravenous monsters, treacherous terrain, and more villains than you can shake a sniper-scythe at. Fortunately, Beacon Academy is training Huntsman and Huntresses to battle the evils of the world, and Ruby, Weiss, Blake, and Yang are ready for their first day of class.