Dorothy to Tsukaima Val ~Ten'i no Tobira Hen~

Dorothy, a young wizard, and her familiar, Val, set out to explore the Demon King’s Ruins in search of clues to restore her massive clitoris which is as big as a penis.

The “Demon King’s Ruins” were dungeons scattered throughout the world, created by the Demon King himself. There, after navigating through a series of lewd traps, a door with the power of teleportation blocks her path.

The pink phallus that suddenly appeared before her supposedly the key to opening the door turned out to be none other than her own giant clitoris.

[From DLsite]