I just wanted to go out with him, but then I got cursed... (Source: Renta!)

Ichinomiya Shingo, a 25-year-old man working at a firm company, while thinking of tomorrow's busy working day, goes to sleep. However, when he woke up, he found himself in a room unknown to him and realized that he is inside a 6-years-old body, taking over the his body and mind. He soon learns from the memories of the boy that the boy was born as the youngest child of a poor noble family living in a back country. Having no administrative skill, he can't do anything to manage the vast land his family has. Fortunately, he is blessed with a very rare talent, the talent of magic. Unfortunately, while his talent could bring prosperity to his family, in his situation it only brought disaster. This is the story of the boy, Wendelin Von Benno Baumeister, opening his own path in a harsh world.

Ichinomiya Shingo, a 25-year-old man working at a firm company, while thinking of tomorrow's busy working day, goes to sleep. However, when he woke up, he found himself in a room unknown to him and realized that he is inside a 6-years-old body, taking over his body and mind. He soon learns from the memories of the boy that the boy was born as the youngest child of a poor noble family living in a back country. Having no administrative skill, he can't do anything to manage the vast land his family has. Fortunately, he is blessed with a very rare talent, the talent of magic. Unfortunately, while his talent could bring prosperity to his family, in his situation it only brought disaster. This is the story of the boy, Wendelin Von Benno Baumeister, opening his own path in a harsh world.

Focusing on Ichinomiya Shingo's childhood before he became an adventurer.

An anthology of Sword Art Online "what if" short stories by various authors and illustrators.

One day, an ordinary high school student is transferred to another world. He raises his level in the other world, successfully defeats the Demon King, and saves the world! With his strongest status, he decided to return to his own world. However, in the world to which he returns, a new “dungeon” has appeared. A modern dungeon fantasy where the former hero becomes a warrior, delving into dungeons created in his own world! Source: MU

*"We're not interested in conquering Aincrad! We want to open a restaurant!"* A brother and sister who are new to gaming end up trapped in Sword Art Online, and they decide to perfect their cooking skills!? (Source: Kadokawa, translated)

Kashino Yukiko, who lives in a certain region of Japan, is nicknamed "Wild JK" by her friends. Her grandfather, a hunter who has since passed away, taught her many things, and she would go into the mountains every day to trap, fish, gather, and dissect animals. She suddenly wanders into the forest of another world, but using her natural toughness and her mysterious abilities, she makes it to the royal capital of Sampeluk, where she runs a popular bar called『Nihon』with a girl she met there, Lara, whose hometown was destroyed by a demon monkey. The regular customers include the retired owner of the country’s largest merchant family and the young boss (cool) who controls the area around the bar. The number of unique people increased one after another. Source: NU

Tatsuya Mikage was summoned to another world to fight the Demon Lord reluctantly. After years of effort, he returns to Earth with an assassin girl named Henry and a Peach Dragon to find that 15 years have gone by and his parents have already passed away. Now without a proper education or connections to modern Japanese society, Tatsuya now lives using his alchemy cheats to make a humble living.