Otaku Joshi, Sanjigen ni Ochiru. - Senpai, Sono Osu-gao wa Touto Sugimasu summary: Otaku Girl Falls for 3D - Excuse Me, That Manly Expression Is Way Too Precious! / オタク女子、三次元にオチる。～先輩、そのオス顔は尊すぎますっ / 코스프레녀, 3차원에 빠지다! Official English I'm a red-blooded man too, you know." Kasaya's pushing me down on the bed while cosplaying... Oh no, my hips have gone weak... It feels so good...! I'm Renka, an office worker who's secretly a cosplayer. Kasaya, my senior coworker, looks just like my favorite comic character! I was enjoying myself fantasizing about dressing him up in different costumes. One day, I ended up asking him to cosplay with me, and he said yes!! But when we started the photoshoot, he approached me with a manly expression... "Were you going to do something like this with another man?" Mixing up my insides with his thick fingers... No way, the Kasaya I know isn't this lewd...!