Sumire-chan is a 31-year-old former showbiz idol who struggled in her career and is now living in a rundown apartment. She spends her days relaxing. Her cousin Yuusei is a high school student who has been watching over her and comes up with a money-making idea for her to release a doujin gravure photobook featuring her body. Will Sumire-chan be able to make a comeback in the Reiwa era? Let's find out!