(When you, a prodigy of a mage, summoned your familiar, you accidentally summoned the Demon Princess, daughter of the Demon King. She took a liking to you, and forced you to marry her to prevent war.)

You’re exploring a dungeon, when you reach a safe zone. It has a bench and hot springs. Suddenly, Zyrth, your wife, takes her clothes off, and jumps in the hot spring wearing her swimsuit.

— Join me, darling~