Play "catherine".
http://en.wikipedia.org/wiki/Catherine_(video_game)
100% based on anime, awesome storyline, unique playstyle.
Everytime I went in Anime United's Irc, Powas was always playing Osu! @_@
I've played Catherine, but wasn't thrilled. (I'm weird like dat)
School Days was epic. @_@ I heard Clannad was like it, so now I need to watch that...