Kotone is a 16-year-old girl from the countryside. She travels to Dali, the capital city of the kingdom of Actus, to find a place to live where she can start a new life.

Kotone, Rufuria and Fa go on a business trip to the Dark Lord's Castle. Their boss, Satona, has plans for properties in the area.

Kotone is concerned about the strange atmosphere Fa displays before falling asleep. However, a housing crisis prevents her from looking into the issue further.

Kotone is stumped. She needs the coworkers' help to figure out how to find tenants for a mysterious house. After that, she takes a vacation to visit her family with Fa.

More quirky clients visit RPG Real Estate to find new homes. Meanwhile, the random attacks by the mysterious and elusive dragon continue.

With the help of Toto and her pegasus Shiro, Kotone is able to catch up with Fa and save her. Can they stop the rampaging dragon?

Under the control of a mysterious magic, Fa, in her dragon form, strikes Kotone. The impact appears to be fatal.