山口由愛 & ダイ Costar Works

山口由愛 and ダイ are an established costar duo, teaming up across 3 works from their initial collaboration '性交総合大学病院 全10科の看護師による口淫・手淫・性交を通じた射精医療。100台のカメラで迫る超リアル業務190分' (2025) to 'L専科 乳首狩りオニごっこ～集団乳首レ●プ～' (2026). Their collaborations are predominantly released under the 犬/妄想族 label, demonstrating exceptional on-screen chemistry in genres such as 騎乗位・妄想族・痴女.