एपि. 15: अवकाश के दिन सोरामी टावर पर मिनामो और उसके दोस्तों की मुलाकात सुमिरे काज़ाहाना से होती है

15

On their day off, Minamo and her friends went to Sorami Tower in the morning. By chance, they meet Sumire Kazahana, a senior member of Kagari's library committee. A mature and gentle senior student, Minamo aspires to be like Sumire.