S1E1 — Otherworld Harem Story — Episode 1

Naoki Oikawa's ordinary life is abruptly interrupted when he is transported to a fantasy world teeming with demon lords and monsters. In this strange new realm, he discovers an unexpected power that could be the key to defeating evil alongside a group of beautiful female companions. The opening episode of this isekai harem adventure introduces a hero whose unique abilities take a decidedly unconventional form. Isekai Harem Monogatari