Your search for "rule book" revealed the following:
Hetalia Axis Powers Doujinshi - Dream Eater Sorbet (Turkey x Iceland)
$ 33.95Product details: Turkey x IcelandItem Title: Dream Eater SorbetProduced by: Puchi * Puchi (Piro)Format: Doujinshi Language: Japanese Page Count: 32...
Glitter Force Doujinshi - Ultra Happy Bad End (Pink Energy x Ulric / Pink Energy x Wolfrun)
$ 33.95Product details: Pink Energy x Ulric / Pink Energy x WolfrunBrooha's pink energy gives Ulric the ride of his life!Item...
From Me To You Doujinshi - Join (Shota x Sawako / Shota Kazehaya x Sawako Kuronuma)
$ 40.95Product details: Shota x Sawako / Shota Kazehaya x Sawako KuronumaAll Shota can think about is Sawako! Does she feel...
Final Fantasy 7 Doujinshi - Kitty Vincent Kitty DX-kun Compilation (Cid Highwind x Vincent Valentine / Cid x Vincent Yuffie Kisaragi and Reeve Tuesti)
$ 46.95Product details: Cid Highwind x Vincent Valentine / Cid x Vincent, Yuffie Kisaragi and Reeve TuestiItem Title: Kitty Vincent Kitty...
Blue Exorcist Doujinshi - Seirios (Yukio x Rin / Yukio Okumura x Rin Okumura)
$ 20.95Product details: Yukio x Rin / Yukio Okumura x Rin OkumuraItem Title: SeiriosProduced by: 25 Degrees Celsius (kai)Format: Doujinshi Language:...
Final Fantasy 15 Doujinshi - Mavro Hye-ri (Ardyn x Ravus / Ardyn Izunia x Ravus Nox Fleuret / Ardyn Lucis Caelum x Ravus Nox Fleuret)
$ 33.95Product details: Ardyn x Ravus / Ardyn Izunia x Ravus Nox Fleuret / Ardyn Lucis Caelum x Ravus Nox FleuretWill...
Tales of the Abyss Doujinshi - Link (Asch x Luke / Asch the Bloody x Luke fon Fabre)
$ 20.95Product details: Asch x Luke / Asch the Bloody x Luke fon FabreItem Title: LinkProduced by: Nemum (momoiti nemu)Format: Doujinshi...
Blue Exorcist Doujinshi - Deep Blue (Yukio x Rin / Yukio Okumura x Rin Okumura)
$ 20.95Product details: Yukio x Rin / Yukio Okumura x Rin OkumuraItem Title: Deep BlueProduced by: Hanagarasu (Noduki)Format: Doujinshi Language: Japanese...
Men in Black BL Doujinshi - J Seriously Ruminates Over K's Happiness (J x K)
$ 53.95Product details: J x KThis is an awesome action-packed and gritty doujin! Will J be able to save K? This...
Final Fantasy 15 YAOI Doujinshi - PARASITE (Gladiolus x Ignis / Gladio x Ignis)
$ 40.95Product details: Gladiolus x Ignis / Gladio x IgnisThree years after the world is bathed in night, Gladio and Ignis...
