First off, DO NOT WATCH THE ANIME FIRST
AS MUCH AS I LIKE THE ANIME IT IS VERY RUSHED AND CONDENSED
WATCH IT AFTER YOU KNOW WHAT HAPPENS IN THE GAME
Also, you might not want to settle for watching a playthrough of the game. Why? Because the game is so long. It takes many, many hours to complete it. Like, 24 hours or something
So, because Dangan Ronpa is a story-based game, it'll be faster if you read the translations.
Here's the first game: http://lparchive.org/Dangan-Ronpa/
Here's the second game: http://danganronpa2mirror.tumblr.com/post/55269573689/table-of-contents and http://birdmanronpa.tumblr.com/masterlist (the first link was di