We've received reports about users being charged twice while purchasing premium for Manga Rock Definitive.
UPDATE: We managed to fix this issue. You can purchase premium normally.
To isolate this situation, we've temporarily disabled all in-app payment options for Android Definitive version 3.2 & onward. Our Devs are actively investigating this issue and we will keep you updated once it is resolved.
Thank you for your understanding and we apologize for this inconvenience caused.
Affected versions: Android Definitive 3.2 & onward
First reported date: 1 Jun 2018
Resolved date: 1 Jun 2018