Is It Wrong to Try to Pick Up Girls in a Dungeon? On the Side: Sword Oratoria, Vol. 17 (manga) - Fujino Omori - Bog

In search of the key to Knossos, Bete’s leaving no stone unturned! But unfortunately for him, Lena seems to have the information he needs, and her price is one date! Though he reluctantly agrees, they don’t get far before they’re set upon by Valletta and her horde of assassins, and she’s taking no prisoners! Outnumbered and ill-prepared, will Bete be able to protect his unlikely companion?