Girl loses her bikini to a big wave–both top and bottom, which I love. It's a nice enf scene but I gotta say, for an ecchi anime, there is disappointingly little shown. It's only a scant more than what's in the manga. I also wish she was doing the full top and bottom handkini from the start but oh well.
One cute detail that I love is when she shoves her hands in the guy's face… right after she had been covering her crotch. Oops.
Also he gives her his trunks, and then they both lose their clothes to another wave so double enf plus some extra enm