Frogman is a moderately ecchi seinen romantic comedy about a nice, nonathletic boy (who can't swim) who joins the swim team to get closer to a pretty girl. If that plot sounds uninteresting to you, then look elsewhere; Frogman is a fine example of it's type, but there is nothing here that's exceptional or even all that unpredictable. On the other hand, if that plot sounds like it might be fine... read on.

Oh, and note that this isn't really a sports manga: the swim team setting is just an excuse to have girls hanging out in swimsuits. They don't go to swim-meets, and I think there are only three swimming races of any type in the entire manga.

Story (6): It's mostly a slice-of-life romantic comedy. The two spend most of the manga trying to sort out their budding romantic feelings for each other, while a series of antics ensue around them. The manga isn't long enough for this to get frustrating or for the jokes to get old, so that's good. On the down side, there is one storyline involving a rival high school that's a tad too dark for this manga, and the ending is a bit abrupt (though not altogether unsatisfying).

Art (7): Pretty girls in swimsuits. Lots of them. Otherwise, the artwork is serviceable shounen.

Character (7): Michiru is a fairly typical shounen rom-com lead: nice guy, hard working, nonathletic, and kind of spineless when it comes to women. That being said, he isn't as annoying as some others in the genre. Haruka is a bit more interesting, as she balances her desire to have fun and hang out with her friends, with her growing romantic feelings (that she's completely unprepared for). Otherwise, you've seen these characters before: busty, aggressive coach; tsundere romantic foil; the childish and lacking-in-boundaries girl who is in love with the tsundere; and a few other side characters who come and go without leaving too much of an impression.

Enjoyment (7): Some of the jokes are funny, Haruka is always pleasant whenever she's the focus of the story, the lead isn't overly annoying, and there is good eye-candy throughout.

Overall (7): If you like ecchi shounen rom-coms, you can certainly do a hell of a lot worse than Frogman. It's certainly not perfect, but it's a solid example of the genre.