Sakura Maid 3

In Sakura Maid 3, a mysterious guest named Ladon arrives at Sena's front doorstep, claiming to be an ambassador of dragonkind from the Iron Cliffs. As Sena's master is away, Ladon waits for their return at the manor, leading to a blossoming connection between the two. Their initial encounters gradually give way to a deepening affection, eventually evolving into romantic feelings for each other.