Sol-i surprises her friends by declaring that she's running for class representative; while Dae-sung shows his support, Heon disappoints her.

Desperate for prize money so she can buy Heon a birthday present, Sol-i pours all her energy into winning at the school's sports competition.

Jiang Chen refuses to participate in Xiaoxi's production of My Fair Princess for the school contest; Wu Bosong grows closer to XIaoxi while practising lines.