Keiichi, Tomitake, Irie and Oishi speculate over punishment games for the girls after Keiichi's recent string of losses.
Rika wakes up in a parallel world where she is a magical girl known as Rika Oyashiro.
A love rectangle between Keiichi, Mion, Shion and Rena ensues, with the girls competing for Keiichi's affection through numerous methods.
A young Rika and Hanyu play a game of hide and seek, causing Rika to fall into a time paradox, where she finds herself sent into the future.