Shiosai no Lily

Historia

Alfred, a young man, joined the navy to protect the happiness of his childhood friend. Meanwhile, Lillian, a former noblewoman, became a pirate, contrary to his wishes. The two were close in childhood, but they went their separate ways and eventually became enemies... Alfred cannot believe Lillian's piracy, so will he be able to point his sword at the girl he loves more than anyone else?

Sinopsis vía AniList (en inglés).