Sora to kaze no uta

After a raid by the Red Lynx sky pirates, young Coud rummages through the loot. He finds a dusty box with Ren sleeping in it. Cisqua, Rowen, and Kuea, three members of Arc Aile, board the ship offering money for Ren, but Coud refuses. The ship is attacked leaving only Coud to protect Ren. But while Coud is protecting her, Ren decides to react with Coud.