Ghost Kiss-perer!

Momoka invites Fuyuki to a private island for the summer as a part of one of her craziest plans to get closer to Fuyuki, but what really happens is that the Hinatas and the Keroro platoon end up arriving, too! Can her plan really work?
Momoka decides that a test of courage in the island will get Fuyuki to like her, but this plan takes an unexpected turn when the ghost of the Hinata house comes to join in!