Hatsukoi 1/1
White Album 2
Princess Evangile
Honey Coming
Signal Heart
Strawberry Nauts
D.C. III
Hoshizora e Kakaru Hashi
Sakura No Reply
Edit: Almost forgot the one I want to read the most - DC II Plus Communication, been dying to find out the story of other female characters from the original game, especially Akane. Shame it will most likely never be translated.