Yashahime: Princess Half-Demon #7

Plot

Towa, Setsuna, and Moroha continue their westward journey by venturing toward Hakata, where Zero awaits them. However, a horde of undead soldiers have swamped the port of Hakata. Without hesitation, the three girls jump into the fray and carve a path to Zero’s ship—where they aim to defeat her once and for all.