The Blue-Haired Elf Captain in the Classroom

In a school classroom, a blue-haired elf girl strikes a pose with a mysterious pen in hand. She's wandered from another world, donning her captain's hat while infiltrating class as an adventurer. Gazing at the map on the blackboard, she searches for clues to her next voyage. In the quiet after-school moment, her ears twitch slightly, as if hearing whispers from distant seas. Will her adventure begin from here?