八乃つばさ & 優生 Costar Works

八乃つばさ and 優生 are an established costar duo, teaming up across 4 works from their initial collaboration '巨乳美姉妹ハーレム中出し同棲性活' (2018) to '実写版 美人教師は羞恥の虜 八乃つばさ' (2024). Their collaborations are predominantly released under the FunCity/妄想族 label, demonstrating exceptional on-screen chemistry in genres such as 中出し・巨乳・妄想族.