Comic
Hisato
Matsumoto Temari (Also done "Oishii Himitsu", "Shinobu Kokoro wa", "Paradise e Oideyo!", "Oujisama no Obenkyou" and Suikoden doujinshi)
Kuwabara Yuuko (Also done "Sake to Y-shirt to Kiss" and "Nishi no Tsuki Higashi no Taiyou")
Asato Eiri (Also done "Private Prince 1" and a parody of Fruits Basket, formerly known as "Chako S"?)
Kotobuki Tarako (Also done "Aka to Kuro no Kairitsu", "Momohiro Sausage", and "Sex pistols")
Tamotsu Takamure (Also done "Zensoukyoku", "Umi ni Nita Sora no Iro", "HEAVEN" , "Jail Bird" and "PP Konpurekusu")
Sakana Tabaneru (This person's name is difficult to find, it seems very odd)
Nagasaki Teela (Also done Gundam Wing doujinshi)
Mitsuba
Nogamikiwa
Ikumi Kirin (Another hard to find name)
KeišRyouto (Another hard name)
Shimazu Miho (Owns Prince! Prince! Prince!, name may be wrong)
Rika
Zasshoku Leon (May be wrong)
Kimuru (Also did a Sailor Moon doujinshi and Oujisama doujinshi)

Illustration
Hisato
Momoki Sae (Also did "Naito wa Oatsuino ga Osuki", "Junjou Heart Kaihouku", "Momocan" and a Final Fantasy VII doujinshi)
Inaba Shino (Also done Harry Potter doujinshi and the Oujisama novel)
Monchi Kaori (Does the first illustration. I don't know why the name isn't listed on the back cover. Has also done "Hana no Aru Seikatsu", "MEROMERO no SHIKUMI", "Zoku Jaja Uma Narashi", "Dejavu", "Suki Shiki Yuujoujutsu", "Imadoki no Shishunki", "Jaja Uma Narashi", "Koihime", "Kotoba no Bajutsu", "Kokuhaku no Kotoba no Nai Kuni" and "Kawaii dake ja Damekashira")

Cover Illustration
Matsumoto Temari (Also done Suikoden 2 doujinshi. Also seems to have an artbook, "Temari Matsumoto Illustrations - Hana Temari", and "Himitsu no Shouzoku")

I'd appreciate if someone was willing to correct any mistakes I have. I try my best to find out a little information on the authors, but not all are well-known or easy to find.