Cells at Work! Lady Vol. 4 (Kodansha, 2024)

As a lady's body ages, the cells inside her must fight all the harder to keep her body in tip-top shape. With the passing of years comes wrinkles, aches, and pains…plus something they never saw coming-the body running low on eggs. When hormonal changes throw everything out of whack, it proves too much for some cells to handle.