(21歳) & ナルシス小林 Costar Works

(21歳) and ナルシス小林 are an established costar duo, teaming up across 2 works from their initial collaboration '【高感度Gカップのエレクチオン】Gカップ、墨田区、ノーブラ、電波塔、天空の巨乳、乳首ぎゅーん、パイズリ、コスプレSEX。【ぱいぱいズリ子。】' (2023) to '【大玉でかメロン超え2.1kg！！】愛嬌マシマシ・天然G乳大暴走 in浅草【ぱいぱいズリ子。】' (2024). Their collaborations are predominantly released under the BOING label, demonstrating exceptional on-screen chemistry in genres such as 配信専用・素人・巨乳.