天海一華 & 西島雄介 Costar Works

天海一華 and 西島雄介 are an established costar duo, teaming up across 2 works from their initial collaboration '膣奥ガン突き専用147cmチビギャルいちか ゴム無しぢゃなきゃイヤっ！ま●こモノ扱い生中出し種付け輪●' (2022) to '～喉奥姦通～ イラマチオ 天海一華' (2025). Their collaborations are predominantly released under the KLEIN label, demonstrating exceptional on-screen chemistry in genres such as イラマチオ・鬼畜・M女.