Plus-Sized Elf Series by Synecdoche, シネクドキ

A WELL-ROUNDED DIET...?! Massage therapist Naoe gets an unusual visitor to the Smiley Boar clinic: Elfuda, a beautiful elf from another world who's addicted to junk food! As Naoe works with Elfuda to help her lose her excess weight so she can return home, he starts to realize that there are other fantastical creatures with epic curves in desperate need of his help.

FEEDING FRENZY Naoe has been helping Elfuda shed the pounds she's picked up since coming to the human world...but now he's started to gain weight, too! Turns out he's fallen under the spell of a succubus who loves to fatten up humans with her delicious cooking. Can Elfuda protect her human friend, or will they both succumb to their cravings?

REVENGE WITH A SIDE OF FRIES!Ever since a satyress set her sights on Naoe, Elfuda has been guarding her friend round the clock. But when the satyress discovers Elfuda’s weakness for fast food, both Naoe and Elfuda are in for a whole ton of trouble!

GUESS WHO’S COMING TO DINNER?Elfuda came to the human world in search of delicious, fatty food, but now her family has come searching for her! Elfuda’s aunt Oeda is a fierce warrior who’s determined to whip her niece into shape. Can Elfuda survive her aunt’s brutal boot camp?