Monster Musume / Daily Life with Monster Girl - Will to resist, failing

-Big breast
-minimal weird anatomy
-has a nonshit personality.
-BBW
-can help when you want to mvoe furniture

Really, he just has to avoid suffocation and repair some clothes when she exerts herself. By the standards he is used to, that is low maintenance.

The other girls better watch out, Tio's gonna skyrocket to top-teir waifu status of the Darling Harem.