A Mitsunari Night's Dream

Katsuko has had many identities in the 7 years since a wormhole sent her back in time. But she never imagined she'd have to enter a fake engagement with Ishida Mitsunari. Mitsunari and "Okatsu" agree their relationship will be all business – after all, they only need to fool a lovesick princess. But that's before Mitsunari decides his feelings for Okatsu are anything but fake.