Isekai Harem Monogatari Top -

One of the earliest and most influential Isekai Harem Monogatari series is "KonoSuba: God's Blessing on This Wonderful World!" (2013), which follows the story of Kazuma Satō, a teenager transported to a fantasy world after his death in a humiliating fashion. This series set the tone for the genre, blending humor, action, and romance.