The Sepia version of the flower is as about the mouth (Volume 1-2 is the latest issue)

the publisher:
Author: Ourmoto
Size: 128mm x 182mm
Number of books: 2
Language: Japanese
Category: Shonen manga, manga
Latest publication date: 2022-09-08

Synopsis:
The world is full of greenery.
All humans are a world where plants grow from somewhere in the body.
A girl, Hana, whose plants are no longer growing in such a world, is confessed to a boy who has been seated next to one day.
The story of a girl who "does not grow", which received a great response on Twitter, is comic with special specifications of all pages sepia printing!