Ep. 20: Benten faces a duel from former school rivals to recover her stolen chain.

20

While checking on a girl who appeared deceased, Benten is knocked down and her chain is stolen. Ten days later, she is challenged to a duel by three younger girls from their former middle school, who wish to demonstrate that they are rowdier. Benten teams up with Lum and Oyuki to confront them. The encounter leads to significant pandemonium as they attempt to retrieve the item. During the conflict, Benten eventually explains the deep personal significance of the chain and why it is so important to her.