Shounen

Isekai de tadahitori no mamono tsukai ~ tenshoku shitara maou ni machigawa remashita summary:
After searching for a long time, Noah finally found the [Divine Job Tome]. With it, he just might be able to get away from his current Divine Job Hero and its responsibility! Or so he thought. Because the new job that had been granted to him, Monster Tamer was completely unheard of..!?

10 years ago, the monster horde from the rift formed from space and time started attacking the mankind. At the same time, people have started to awaken the power and began hunting the monsters for fame and money Lee SungHoon, in need of money because of his mother’s sickness, takes a dangerous job to help hunt those monsters four times a month by acting as a bait for the hunters But one day, he is heavily injured by a monster and remembers his past life as a sorcerer king ‘Huh?

The Isekai Returnee Is Too OP for the Modern World
Isekaigaeri no Yuusha ga Gendai Saikyou!
ฮีโร่สุดแกร่งแล้วทำไมยังไงข้างก็จะกลับบ้าน
異世界帰りの勇者が現代最強!
이세계 귀환 용사가 현대최강! 〜이능 배틀계 미소녀를 엄격하게 조교하게 됐다!?〜

SPY x FAMILY summary:
The master spy codenamed  has spent his days on undercover missions, all for the dream of a better world. But one day, he receives a particularly difficult new order from command. For his mission, he must form a temporary family and start a new life?! A Spy/Action/Comedy about a one-of-a-kind family!

Maou Gakuin no Futekigousha summary:
After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “inept”!?
Having the capability to destroy humans, elementals, and gods, after a long period of countless wars and strife, Arnos the demon lord became sick and tired of all that and longed for a peaceful world, so he decided to reincarnate to the future.

Sono Bisque Doll wa Koi wo suru summary:
Wakana Gojou is a fifteen year old high-school boy who was socially traumatized in the past due to his passions. That incident left a mark on him that made him into a social recluse. Until one day he had an encounter with Kitagawa who is a sociable gyaru, who is the complete opposite of him. They soon share their passions with one another which leads to their odd relationship.

Two years after the events of Kengan Ashura, a young man named Narushima Koga aims to enter the Kengan matches, while also seeking out Tokita Ohma for a mysterious reason. He begins to work under Yamashita Kazuo when he meets Gaoh Ryuki, the spitting image of Ohma. Now with a massive showdown between the Kengan Association and Purgatory, another underground martial-arts fighting organization, looming in the background, how will Kouga become strong enough to take part in the legendary Kengan fights?Kengan Ashura 2
ケンガンオメガ
拳愿奥米伽

Tensei Kenja no Isekai Raifu ~Daini no Shokugyo wo Ete, Sekai Saikyou ni Narimashita~ summary:
Sano Yuji, a black company employee, is summoned to another world while finishing his work at home. His profession in the other world, a Monster Tamer, is considered a job that makes it difficult to become an adventurer. However, thanks to some slimes he met, which read several magical books, he gained magical powers and the second profession, Sage.
Yuji acquired overwhelming power, but is he conscience of his strength? Blindly becoming unparalleled and strongest in the world!

A Returner's Magic Should Be Special summary:
"Now that I'm back, I won't allow my loved ones to die again!"
The Shadow Labyrinth - the most catastrophic existence humanity has faced in history.
Desir Arman is one of the six remaining survivors of mankind within it.
The six attempt to clear the final level of the labyrinth but ultimately fail, and the world comes to an end.
However - when Desir thought he would meet his demise, what is revealed before him is the world... thirteen years ago?!

Arafoo Kenja no Isekai Seikatsu Nikki summary:
Satoshi Osako was a player of the VRRPG 『Sword and Sorcery』 who defeated the Evil God and died for his troubles. When he awoke again he found himself in a strange unknown forest. Furthermore he possessed his avatar’s body and abilities. In other words, he was a cheat. Can a 40 year old DT, live peacefully in this world?
Let his isekai adventure begin.