After returning from his trip through time, Koyomi comes back home and meets Mayoi, finally returning her backpack. They suddenly come across a mysterious being that starts chasing them down. The two manage to escape when they meet Yotsugi who flies away with them to safety. After stealing a kiss from Koyomi to repay for her help, Yotsugi flees, leaving Koyomi at the mercy of a furious Shinobu that appears soon after and to calm her down, Koyomi kisses her too...