START-381 Factory worker couple we are. For her 19th birthday, I bought a cake and had our first overnight date at home. When I took off her clothes, she turned out to be a slender sex monster... Kanna Amato

Film Introduction

At the factory, I ended up liking a plain-looking female coworker and it seemed like she liked me too. One day, she confessed her feelings to me and we started going out. We're what you'd call an indoor couple who both enjoy games and manga. Today is her 19th birthday. We who don't like special events decided to buy ingredients and cake at the supermarket and celebrate leisurely at home.