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One day, Jun brings home a new brooch for Shinku's outfit. To his surprise,she seems upset at this and coldly refuses his gift. Thankfully, Souseiseki notices Jun’s confusion and begins to explain the events surrounding their first contact with Suigintou in the distant past. Now, Jun will finally learn the origin of Shinku and Suigintou’s hatred for each other – in addition to why Shinku refuses to wear the beautiful new brooch Jun bought for her.
There’s more to being in the light music club than rehearsals and afternoon tea, there’s also countless other distractions from discussions about what souvenirs the gang brought back from Kyoto to discussing their childhood memories. With Azusa attempting to determine everyone’s previous lives from their dreams, Mugi hosting her own three-minute meals segment, and everyone concocting imaginary siblings for Mio and Mugi, the girls always find something to do.