In this ending, everyone tells you that you are wearing the wrong clothes. Questioned, you return to the castle. Marle's father is a frog and learns that Frog married Leene, making herself a descendent.
Conditions:
Use the telepod as soon as you get back from 600 AD. You end up at the Fair. Some people tell Marle she is dressing normally, while others say she is in a costume. When at the Castle, the King says they have just found a 600 year old wedding album. Frog and Queen Leene are married, and Marle's father is also a frog.