Underwater photography has been around for a while, and it can produce some really magnificent images of everything taken down there. Photographer Manabu Koga's idea is better. It involves an underwater model wearing a school uniform.

His collection is called Underwater Knee-High Girls Plus

It features submerged ladies wearing school uniforms, scuba gear and other kinds of props.

Here are some examples:

They are not overtly sexy, but they are pretty nice.

What do you think?

You can check out Koga’s books, which can be purchased through Amazon JP and see more pictures of Rina on Koga’s Tumblr.