Why not unwind in another world once in a while? High schooler Kudo Akira happens upon the ability to travel between Japan and the fantastical world of Do-Melta. Not bound by any dire mission or duty, he leisurely enjoys exploring his way through the massive dungeon in the center of the world and all the trappings that come with it. The guild receptionist is trying to mooch off of him, his magic instructor has "rewards" for him, and he just might have some fun with a girl he saves... (Source: J-Novel Club) *Note: Includes two extra chapters.*

Suimei and two of his best friends find themselves mysteriously summoned to another world. There’s a cute princess, magic galore, a Demon Lord that needs to be defeated, and a world that needs to be saved—the works! Too bad Suimei isn’t interested. His friends are all too ready to play the parts of heroes, but Suimei just wants to get home. He has an advantage as a magician... but he’s in for a rude awakening when he finds out what actually passes for magic in these parts. (Source: J-Novel Club)

The Raythefts are an old, minor noble house defined by magical talent and martial service. When six-year-old Arcus Raytheft, firstborn son to the family, proves disappointingly inept at magic, he is stripped of his inheritance and written off by his parents. His adoptive sister Lecia still adores him, but as the new heir, she is forbidden to interact with anyone who might drag her down. But when one inheritance is lost, fate arranges another: Arcus remembers another life, in a world where science prevails and magic belongs to the realm of fiction. Suddenly endowed with the life experience of a grown man and pressed to find a purpose as his family turns against him, Arcus resolves to find a way to break the laws of magic and Raytheft tradition over his knee! (Source: J-Novel Club)

Suimei and two of his best friends find themselves mysteriously summoned to another world. There’s a cute princess, magic galore, a Demon Lord that needs to be defeated, and a world that needs to be saved—the works! Too bad Suimei isn’t interested. His friends are all too ready to play the parts of heroes, but Suimei just wants to get home. He has an advantage as a magician... but he’s in for a rude awakening when he finds out what actually passes for magic in these parts. (Source: J-Novel Club)

Cursed with a naturally low supply of aether, Arcus Raytheft is disinherited and shunned by his family. Things start to change when he experiences another man’s life through a dream—a dream that shows him marvelous technological wonders that don’t exist in his world. Armed with this new knowledge, Arcus sets about showing his parents that they were wrong about him. Surely an arsenal of mind-blowing spells will be enough to convince them you don’t need aether to succeed? (Source: J-Novel Club)

Why not unwind in another world once in a while? High schooler Kudo Akira happens upon the ability to travel between Japan and the fantastical world of Do-Melta. Not bound by any dire mission or duty, he leisurely enjoys exploring his way through the massive dungeon in the center of the world and all the trappings that come with it. The guild receptionist is trying to mooch off of him, his magic instructor has “rewards” for him, and he just might have some fun with a girl he saves… A brand-new fantasy adventure from Hitsuji Gamei begins! *Source: J-Novel Club, Vol. 1*

The end of the world was foreseen. Unwilling to face the end without a struggle, humanity enters the Twilight Time, mysterious region of space that appears out of nowhere, and battle against the demons that materialize from within, Vagan. Such battles frequently occurred in the underside of the world when a high school student, Shinonome Touya noticed an anomaly and wandered into Twilight Time. In there, he was assaulted by Vagan, but saved in the nick of time by a girl who fights against the end, Kisaragi Mibime. The next day, while receiving an explanation about the anomaly from Mibime, another Twilight Time appeared. Mibime immediately leapt inside to fight, but somehow, a Sacrament, supernatural weapon to combat against Vagan, appeared in Touya’s hands…!? Source: Overlap