It's Like a Bottomless Pit

Becoming thin is hard. It requires effort. Akane wants to be thin, so she'll put in that effort.
But when she start to want to be thin this much? When did she fall into the dark pit that is anorexia? Akane doesn't know.
But with a week long field trip coming up, can she hide her condition from her friends any longer?

Smile Precure Fanfic. English Dub names used.