Premieres December 28th. The new PV is here. Check out the ANN article for additional information. Synopsis from AniList:
Nobody asked to be a cat!
After dying in a fight against the forces of evil, a knight is shocked to discover that instead of being reborn as a hero of humanity, he starts his new life as a behemoth-one of the most powerful monsters in the world! The only problem is that a baby behemoth looks an awful lot like…an adorable house cat?! Things grow even more confusing when a beautiful elf adventurer rescues him from the brink of death rather than finishing him off. This house-cat-slash-knight’s baffling journey is just getting started…
Provided that the owner of the boobs is an adult who’s displaying them voluntarily, I might give it a go, then. Although it won’t be especially high on the “to try” list.