If the Cuckoo won't sing, it's probably dead \ Girl Power Overdrive \ Social Mixer Training

S1 E2: Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu each have a poem to describe their personalities that begins "If the Cuckoo won't sing...". The Going Home Club members each try to compose a version of the poem to describe themselves. Although assumed to be a "serene blockhead" type, Karin brings in cookies that she made herself. She reveals a level of Home Ec Club-cultivated "Girl Power" that astounds her fellow members. Karin tells a story about a peer from middle school attending a social mixer. Sakura decides to have the club assume the role of boys and girls and practice so they'll know what to do if they're ever get caught up in a social mixer.