Seinen

Out

Out (Makoto Mizuta) summary:
17-year-old Iguchi Tatsuya has just been released from juvenile detention and is on probation. He's been relocated to a new area, away from the bad influence of his old friends, and is under the care of his aunt. He is determined not to be sent back to lockup, and he works hard in his aunt's restaurant. However, he still has the same personality, the same tendency to violence, and still falls in with the same sort of people. It's going to be difficult for him to stay out of trouble

Isekai de Kojiin wo Hiraitakedo, nazeka Darehitori Sudatou to Shinai Ken summary:
From a caste based high school, bottom-tier Shinji Naomi is caught up in a summon of his class to a different world. However, as soon as they arrived the king said, "This guy is unnecessary because he only has clumsy skills " and it is concluded that he is to be forced to administer the orphanage, which no one wants to do. Unfortunately for the orphanage his skills were cheat skills that cause the girls to cling to him.

Hataraku Saibou BLACK summary:
In the manga's story, cells work in a "black" environment in the body of a human in poor health. The person drinks and eats too much, has insufficient physical activity, and has high stress.

Change the World (KANZAKI Yuuya) summary:
Saitō Yu'ichi, a young man without prospects, decides to kill himself at the turn of the year. However, a fateful encounter with a stranger, Mitsumune Sakutarō, who is his complete opposite, changes Yu'ichi's future in a way he could never have imagined.

Issak summary:
In the 17th century, the Holy Roman Empire was ravaged by the Thirty Years' War. In the middle of this chaos appeared a japanese mercenary named Isaak. His fierce battle begins.

When Theodore was dropped into a waterway by his half-brother, he suddenly recalled the memory of his past life. He had been a Japanese citizen known as Kirishima Kagehisa, placed inside VRMMO character he had made in Break Force Online. "Theodore" is a Combat Mage that Kagehisa played within BFO, and he realized his skills were progressing well even in this other world. Theodore, who had lightly brushed off his half-brother to make his own place in the world, had ventured off to the large labyrinth existing at the Boundary City, Termuilles.

Origin summary:
The year is AD 2048. Japan is connected to the Eurasian continent by a transcontinental railroad. The capital, Tokyo, has become a crucible of criminals and terrorists. And so, in the metropolitan darkness a mysterious presence attacks and slaughters people, unnoticed, night after night... Just what are these "things that are not human" living in hiding in the human world? And just who is this "Origin" person who faces them?

Futoku no Guild summary:
Kikuru Madan, a monster hunter with excellent performance, because of his particular job in the forest, He decided to quit his job because of fear wasting his own youth. the reason he want to quit because one of his friend married.

NEET dakedo HELLO WORK ni ittara isekai ni tsuretekareta summary:

Suzume Chiyoyo is a shinobi, but she's also a high-school girl in love. Follow her as she tries to confess to the boy she likes.