How Heavy Are the Dumbbells You Lift?

Hibiki Sakura enjoys food enthusiastically, but concern about her weight convinces her to start exercising. Looking for a casual place to work out, she joins a gym and encounters Akemi Souryuuin, another student who appears to share her interest in fitness. Hibiki enters the unfamiliar world of strength training expecting a straightforward attempt at self-improvement, only to discover that the people and motivations around the gym are less ordinary than she expected.