Description:

Tomokui Kanata has been re-incarnated in the weakest goblin, named Goburou, after having undergone an unfortunate death. However Goburou has retained his previous life's memories, an unusual evolution, as well as becoming strong enough to gain status boosts from eating. In this alternate world of survival of the fittest, events unfold with competent subordinates and comrades, delightful case of the tail-wagging dog...

Description:

A man who was once called the world strongest agent ended up becoming a teacher after his retirement to train the new generation of agents. After many years of training his disciples, he is killed at the age of 60 by the ploy of a secret organization and was reincarnated in another world with all his past memories. Though he was surprised by the magic and the strange species of that world, he adapted very fast to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his tight discipline in order to reach his goal: resume his career as a teacher which he left halfway through in his previous life. This is the story of a man who based on the memories and the experiences of his previous life, became a teacher who travels through the world with his new students.

Description:

Just when an unemployed thirty-four-year-old otaku reaches a dead end in life and decides that it's time to turn over a new leaf—he gets run over by a truck and dies! Shockingly, he finds himself reborn into an infant's body in a strange new world of swords and magic. His new identity is Rudeus Grayrat, but he still retains the memories of his previous life. Follow Rudeus from infancy to adulthood, as he struggles to redeem himself in a wondrous yet dangerous world. (Source: Seven Seas)

Description:

A mecha otaku is reincarnated into another world as Ernesti Echevalier, also known as Eru. In this world exists huge humanoid weapons known as Silhouette Knights. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter, aim to become Knight Runners, pilots of these Silhouette Knights.

Description:

Seventeen-year-old Hajime Nagumo is your average, everyday otaku. However, his simple life of pulling all-nighters and sleeping in school is suddenly turned upside down when he, along with the rest of his class, is summoned to a fantasy world! They're treated like heroes and tasked with the duty of saving the human race from utter extinction. But what should have been any otaku's wet dream quickly turns into Hajime's nightmare. While the rest of his class are blessed with godlike powers, Hajime's job, Synergist, only has a single transmutation skill. Ridiculed and bullied by his classmates for being weak, he soon finds himself in despair. Will he be able to survive in this dangerous world of monsters and demons with only a glorified blacksmith's level of strength? (Source: J-Novel Club)