Flan and Remi are looking a little tanned there, wouldn't you say?

Well, they are vampires. So shouldn't they tan faster than most?

They should have been giving some heavy duty sun protection.
hmm, despite being traditional school swimsuits, I think everybody got a nice choice for each one

0_0!! sakuya and china !!
a great image!!

Well, it's a pretty cloudy day and they may have some omega-strong sunblock on. These factors likely kept them from being instantly ashified.