Toaru Around Thirty no Mousouroku
とあるアラサーの妄想録
Kasai Rena is a diligent office worker who keeps a unique hobby private from others. Her daily life revolves around her job, but she secretly pursues an unusual passion that she carefully conceals. As she navigates her professional responsibilities, she continues to indulge in this hidden interest, maintaining a balance between her public and private selves.