Your search for "Reiner x Armin" revealed the following:
Fire Emblem Fates LOVE Doujinshi - Theory of Happiness (Leo x Corrin / Leon x Kamui)
$ 53.95Product details: Leo x Corrin / Leon x KamuiItem Title: Theory of HappinessProduced by: interstice (hana)Format: Doujinshi Language: Japanese Page...
Blue Exorcist Figurine - Half Age Characters Vol 2: Rin Okumura (Animate Limited Special) (Rin Okumura / Rin)
$ 26.95Product details: Rin Okumura / RinThis is the special limited edition version of Rin - only available from Animate!Item Title:...
Dirty Pair HENTAI Doujinshi - Angels Secret (Man x Yuri and Kei / Man x Yuri / Man x Kei)
$ 26.95Product details: Man x Yuri and Kei / Man x Yuri / Man x KeiYuri and Kei give a lucky...
Fire Emblem Fates YURI She-Male Doujinshi - if (Iikanjino futanari - Happy Horny Herms) (Corrin x Rhajat Corrin x Azura Noire x Tharja / Noir x Sallya)
$ 67.95Product details: Corrin x Rhajat, Corrin x Azura, Noire x Tharja / Noir x SallyaFemale Corrin and Noire are sporting...
Fate/stay night Figurine - ToriColle! Figure: Rin Tohsaka (Rin Tohsaka / Rin)
$ 20.95Product details: Rin Tohsaka / RinSpice up your collection with this adorable figure from Japan!Item Title: ToriColle! Figure: Rin TohsakaProduced...
Fire Emblem Awakening Doujinshi - Why's My Bestie's Daughter Gotta Be Such a Hottie!? (Robin x Lucina / Rufure x Lucina / Reflet x Lucina / Avatar x Lucina)
$ 33.95Product details: Robin x Lucina / Rufure x Lucina / Reflet x Lucina / Avatar x LucinaWill Robin and Lucina...
Fire Emblem Awakening Doujinshi - To My Dearly Beloved (Robin x Lucina)
$ 40.95Product details: Robin x LucinaRobin and Lucina have a steamy dreamy time!Item Title: To My Dearly BelovedProduced by: ACIDSEA (Omi...
Fate/zero Doujinshi - Strike now! All Right Let's Go to the Bathhouse. (Saber x Lancer)
$ 20.95Product details: Saber x LancerItem Title: Strike now! All Right Let's Go to the Bathhouse.Produced by: YARIANA (Iroto)Format: Doujinshi Language:...
Fullmetal Alchemist Doujinshi - Suck My Blood Baby (Roy x Riza Roy x Hawkeye / Roy Mustang x Riza Hawkeye)
$ 33.95Product details: Roy x Riza, Roy x Hawkeye / Roy Mustang x Riza HawkeyeThis is a super steamy comic~Item Title:...
Neon Genesis Evangelion HENTAI Doujinshi - Ayanami Chapter 8: Girlfriend Edition (Man x Rei Ayanami / Rei Ayanami / Rei)
$ 53.95Product details: Man x Rei Ayanami / Rei Ayanami / ReiRei is dating a new man! But what happens when...