How to Raise a Soft and Adorable Child Bride (Puppy)

"Dad picked out a wife for you." Late at night, the big tengu sat in his room, staring at the wrecked mess of a room and the little fox cub fast asleep on the bed. Dad hadn't found him a wife at all. He'd clearly hired him as a babysitter! He slammed the table in outrage. "You're both canines, so why are you acting like a cat?!" The fox spirit sneezed in his sleep and scratched his nose with a tiny paw. "It itches." One moment the big tengu was complaining, and the next he was stroking the fluffy little head, his face full of adoration! "I want a big sister~" The little voice was soft and sweet, utterly adorable. The next moment, someone grabbed him by the scruff and tossed him out the window. "Achoo!" Premise: