Caravan Serai: Tuz to Sahar

Carava Serai follows the unusual adventures of two young men, Tuz and Sahar, as they travel to different cities in the desert.

Other stories included in the first volume:

Sekai No Hate No Ido (世界の果ての井戸); Mugen Anthology Vol. 2 [2006-06-07]
A princess is ordered by her mother to find a fountain who's water is said to grant a person happiness, and bring her back the water in... A wicker basket?

Rakuen no Izumi (楽園の泉); Mugen Anthology Vol. 7 [2007-09-07]
Kaze No Ya and Yukka live in the fifth world which consists of seven total worlds, and it believed that the soul will travel to sixth world when one dies. Kaze No Ya sets out to find Yukka after she disappears mysteriously one ...