時空魔法で異世界と地球を行ったり来たり

Explore a world of magic and adventure in the Japanese web novel 'Going Back and Forth Between Earth and The Other World with Space Time Magic'. The story follows a protagonist who, armed with special skills for interdimensional travel, finds himself embroiled in a tale of kingdoms, princesses, and sibling bonds. This shounen novel weaves together elements of harem, slice of life, and fantasy, presenting a narrative rich in demon lords, summoned heroes, and overpowered protagonists. Delve into a world where the protagonist must navigate through a complex web of relationships and challenges while concealing his true abilities to survive the perils of world travel.