This is a 4K (spread, 2K single page) PDF in web resolution of the comic in Japanese, English and Spanish (multilingual pack)
 
 
The third one-shot of Romina's adventures against bullying... or is it?
This one is a little different from the original formula, but Romina's spirit and will to have everyone get along well shines through. 
 
In this story, outdoors-loving Romina finds trouble in her school's summer camp trip, and transforms into a mermaid. Find out what happens in Romina's longest comic yet (a total of 22 comic pages).
 
This book also features 3 guest artists (illustrations): すあま, MoartBB & Mandu. 
 
B5, 30 pages (including covers)
First sold: 2019/09/14 (みみけっと42)
 
 
Physical copies here
 
Other digital books in the Romina series:
#1 Magical Butterfly Romina
#2 Romina's WANderful classroom chaos
#4 Once upon a Romina
#5 SOFÍA & ROMINA's space race!
#1∼5 discount download pack