All of these ARE translations from the manga and various books, no matter what others might say. The translator elected to do them in prose style instead of script style.
Christmas Summer (book 1)by Asbel
Phantom of The Opera (book 2, part 2) by Setsuna... as finished as it'll ever get...
Eternal Romance (book 2, part 3) by Setsuna
The Secret of Eden pt 2 (book 2, part 4) by Setsuna
Secret Blue by Setsuna. From the book Love Songs
Dream is Alive by Setsuna. From the book Love Songs
VS 1, Chihaya and Katsumi's situation by Setsuna. From the SSSpecial book