Where To Stream Heroine? Saint? No, I'm an All-Works Maid (And Proud of It)! Season 1 Episode 6

The Demon King, now in the form of a puppy, has been washed by Melody. While struggling with what to do with him, Melody's heart flutters at the ideal scene of Luciana playing with the puppy and herself watching over them, and she immediately begins preparing to welcome the puppy. After eating, she sees that the puppy is having trouble falling asleep, so she begins to sing a lullaby imbued with magic to help it rest. Her beautiful voice envelops not only the puppy but the entire royal capital