The chapters are short is because the author Inaba Minori does the drawings herself, she doesn't have any assistants unlike other manga thus she is limited and cannot produce 20 page chapters like other manga. Here is the link for author request for assistants: http://youngjump.jp/assistant/inaba_m/
Google translated:
Apparently with the possibility of becoming her Student seeing she welcomes Beginners and teach them herself if they have the motivation and no problem with the sexual themes of the Manga.
Oh and, she's also looking for:
Those who can use Photoshop.
Background with a margin of Character Drawing but favoring the former.
Welcomes those who have no confidence in drawing skills but are good at PC but can do "Tone Work" (basically known as toning what is toning in manga well in broad stokes its known as "shading" since you barely work on a non-B&W media).
Edited by HavocParker, 07 December 2014 - 09:19 AM.