Your search for "Levi Ackerman x Petra Ral" revealed the following:
Cyborg 009 Doujinshi Circle Paper - 2002.10.23 Ehoba + Hydra Circle Paper (Jet x Albert / Cyborg 002 x Cyborg 004 / Jet Link x Albert Heinrich)
$ 6.95Product details: Jet x Albert / Cyborg 002 x Cyborg 004 / Jet Link x Albert HeinrichThis steamy circle paper...
Thor Doujinshi - welcome to cafe asgard (Grandmaster x Loki / The Grandmaster x Loki)
$ 46.95Product details: Grandmaster x Loki / The Grandmaster x LokiInstead of fighting in deathmatches, the Grandmaster employs Thor and Loki...
BlazBlue Doujinshi - Wishing (Relius Clover x Hazama Honoka / Relius x Hazama and Valkenhayn)
$ 23.95Product details: Relius Clover x Hazama Honoka / Relius x Hazama and ValkenhaynRelius has his way with Hazama - but...
Fire Emblem Awakening Doujinshi - With my Sacred Princess (Robin x Lucina / Rufure x Lucina / Reflet x Lucina / Avatar x Lucina)
$ 30.95Product details: Robin x Lucina / Rufure x Lucina / Reflet x Lucina / Avatar x LucinaWhen Lucina can't sleep...
Gundam Iron Blooded Orphans Doujinshi - Coquettish liddell (Mikazuki x Atra)
$ 40.95Product details: Mikazuki x AtraDoes Mikazuki prefer busty women? Or are Atra's fears about her little boobies unfounded? This is...
Yuri!!! on Ice Doujinshi - ENGLISH Translated waking or sleeping (Victor Nikiforov x Yuri Katsuki)
$ 53.95Product details: Victor Nikiforov x Yuri KatsukiYuuri gets drunk, but Victor sure knows how to rev Yuuri's engine and get...
Fire Emblem Awakening Doujinshi - Interplay (Gregor x Lon'qu)
$ 26.95Product details: Gregor x Lon'quGregor wants to "lock swords" with Lon'qu in this super steamy doujin!Item Title: InterplayProduced by: Plott...
Bleach Doujinshi - Ride;After (Ichigo Kurosaki x Renji Abarai)
$ 26.95Product details: Ichigo Kurosaki x Renji AbaraiItem Title: Ride;AfterProduced by: Soul Guardian (Etsuya Takamura)Format: Doujinshi Language: Japanese Page Count: 28...
Fate/stay night YAOI Doujinshi - XOXO (Archer x Lancer)
$ 30.95Product details: Archer x LancerNonstop Archer x Lancer lemony goodness? Yes please! ^_^Item Title: XOXOProduced by: ASH (Jun)Format: Doujinshi Language:...
Blue Exorcist Doujinshi - Desired Is The End (Yukio x Rin / Yukio Okumura x Rin Okumura)
$ 26.95Product details: Yukio x Rin / Yukio Okumura x Rin OkumuraThis is a vampire parody!Item Title: Desired Is The EndProduced...