>>259The name of the manga is Plus-Sized Elf.
It’s the story of a weight loss clinic dude being surrounded by secret reverse isekai women who have a weight problem since coming to earth due to the abundance of food & the convenience.
Pictured is the titular fat elf who started the story with her french fry addiction. And the cast is built from there with a Dark Elf, Mermaid, Plant Lady, etc.