We Are A Couple Of Factory Workers In The Shadows, And For Her 19th Birthday, We Bought A Cake And Had Our First Sleepover Date At Home... When We Let Her Undress, She Was A Slender, Beautiful Body And A Slutty Sex Monster... Kana Amane

At the factory, I seemed to become mutually attracted to a plain-looking female coworker. One day, she confessed her feelings and we started dating. We were both the so-called introverted type, an indoor couple with shared hobbies like games and manga. Today is her 19th birthday. Not being fans of special events, we decided to buy ingredients and a cake at the supermarket and have a relaxing celebration at home.