Sea of mid-summer

It is Marine Day 2020 for Japan
Here is my summer greetings, although it is not likely that we can go to the sea and play marine sports within the year   ╮(╯_╰)╭ 

Please also read through the story in the 3rd or 4th pic and ell me your choice
(Err...no, I am not going to draw what happen next XD)

*No-watermark version and naked version are to be posted to paid tier