After years of friendship with the slime girl Puniru, middle schooler Kotaro struggles to deal with her shape-shifting charms — and his feelings.

This is a slightly peculiar world where the shipgirls live in. A lively and enjoyable school life for girls from different factions will begin at the naval port of Azur Lane. Living out their lives to the fullest, these girls get into various shenanigans--slowly but surely!