Luka to Taiyou no Hana

The story, set in a village covered in clouds, depicts the bond between a boy, Luka, and his childhood friend, Rosa. One day, Rosa, who has the power of the sun, hears from a mysterious duo that there is a way to clear the clouds. Luka, on the other hand, is attracted to a traveling band that visits the village and decides to leave...
(tomoyasu.net, edited)