“EVERY DAY MY HAPPINESS GROWS EVEN MORE.”Kurumi and Keiichirou continue to enjoy married life in and out of the bedroom, their bond growing with each new experience. Now they’re off to an inn in Yatsugatake to inspect a cottage for Keiichirou’s sister, excited to spend some time alone together. However, when they reach the house, they sense a strange presence. Something weird is definitely in the air...