The episode begins with Mitsuki asking Hiyori who she is and asking why she can't cross over. She responds by taking Mitsuki through time and space to steps leading to a big golden gate. Once there she explains that in life she loved YÅ«ya but died before she could confess her feelings. She tells Mitsuki that in order for her to cross over she wants to do "lovey dovey" things with him. Each time this happens (from Hiyori possessing her or Mitsuki's own actions) the heart on the chastity belt fills up a little...