Oneshot:

Unbeknownst to her coworkers, Sawako, 34 years old and in her second year of marriage, has the hobby of wearing gothic lolita clothes. She had always kept it as her hobby, but as the years pass by, she begins to notice the pleasure she derives from those clothes waning.

Series:

Twenty something temp worker Nagisa Kataura lives like an average young woman - but she has a secret life. When she’s not sitting at her day job, she spends most of her time transforming into her favorite anime and manga characters through the art of cosplay. Worried about being thought childish and nerdy, Nagisa struggles to keep her hobby a secret.

Note: The original one-shot was the 2nd place winner of the 63rd Tetsuya Chiba Award in general category.