I have to agree with several of the other users, the dark skinned main girl is really hot. The other two girls were also hot, but didn't get as much time to be appreciated as the main one. This was a rather good manga and I am looking forward to seeing what else Ishikawa Shisuke comes out with.
Anytime I go to the beach I end up getting sunburn and sand in places you never want it, but glad his experience is was better (TwT)
The artwork is just beautiful <3
I...really should start compiling ero-manga quotes and make a book or something.