りお & 日森一 Costar Works

りお and 日森一 are an established costar duo, teaming up across 2 works from their initial collaboration '幼い頃、一緒にお風呂に入っていた叔母さんと再び入浴…嬉し恥ずかし甥っ子バスタイム。 水谷心音' (2023) to 'セフレカノジョ りお' (2025). Their collaborations are predominantly released under the ゲインコーポレーション label, demonstrating exceptional on-screen chemistry in genres such as 中出し・巨乳・パイズリ.