Summer Solstice~Spirit Horses

April Cincinnati lost her parents in a car accident when she was young. Now, eight years later, she can hear her mother's and father's voices again, along with her grandpa's and nana's. That's because she has met the spirit horses. All her family members that have passed are in spirit horse bodies. Whenever they're in trouble, April is always there to help them. But how long will she last after risking her life more than once?