After entering a fortune-teller's shop with Kogarashi, Yuuna finally learned what she looked like before she died, but not why she has no memories of her past. But that's less urgent than rescuing Kogarashi from a fate worse than death: marriage and enslavement to Hiougi Karura! Can Yuuna and the other residents of Yuragi-sou stop the Subjugation Ceremony in time? As a bonus, we learn just how sweet Valentine's Day can be at Yuragi-sou.