Plot: While bootstrapping herself to begin another school day, Mafuyu notices that it is more difficult for her brassiere to contain her mammaries; a brief appraisal later, Tomo decides to make a plaster cast of Mafuyu's mammaries to commemorate the milestone. Miyuri pulls Mafuyu and Sasha aside to relay a story about a man that accosted the soft-spoken student representative Mitarae in his search for Akari; while no real damage was done, Miyuri nonetheless wishes the molester captured or repulsed and it falls on Mafuyu to bring this about