"Itoshi no Kotodama" is a hentai OVA series centered on Koga Shigemaro, a young man with the extraordinary ability to see and communicate with spirits. The story delves into his interactions with various restless spirits, blending supernatural elements with adult themes in a visually engaging narrative. With detailed animation and a unique premise, the series offers a mix of fantasy and eroticism as Koga navigates his gift and the desires of the spirits he encounters.