Rules series timeline: 1) Please (ch5) -- Hydra dj - Kiss -- Hydra dj - Kiss After 2) Hydra dj - Skies 3) Hydra 1+2+3+4 (ch1-4) 4) Hydra 3+4+5+6 (ch5-6) -- Hydra dj - Blue Film First (after Hydra ch8) -- Hydra dj - Heavenly (between Hydra ch9 and ch10-11) -- Hydra dj - The Days Before -- Rules dj - Real Thing -- Rules dj - Hello Again 5) Lovers and Souls 6) Rules dj - Fragile 7) Vanity ** 8) Dreamers High ** 13) Rules (volumes 1 & 2) 14) Rules dj - If Winter Comes, Can Spring Be Far Behind? 15) Rules (v3) 16) Rules dj - Song Birds 17) Another Day on the Planet (booklet) 18) Rules dj - Double Trouble 19) Rules dj - Overload 20) Rules: 2nd Season ** doujinshi also the ones in ( -- ) are doujinshi's