.. because of misunderstandings, I did this twice. So once for fandoms, for OTPs scroll down XD
[The old flame you don't see very often any more but whom you still really enjoy getting together with for a few drinks and maybe a pleasant nostalgic romp in the sheets.]
Digimon (literally), Ranma 1/2, Yu-Gi-Oh!, Bleach, Code Geass
[The mysterious, dark, gothy one with whom you used to sit up talking until 3 a.m. at weird coffeehouses and with whom you were quite smitten until you realized he really was fucking crazy.]
Battle Royale, Doubt, Gantz, Naru Taru, Neon Genesis Evangelion
[The one you spent a whole weekend in bed with and who drank up all your liquor, and whom you'd still really like to fuck again although you're relieved (s)he doesn't actually live in town.]
Fushigi Yuugi, Dragonball, Detective Conan, Inu Yasha, Black Cat, DN Angel, Supernatural,Heroes
[The steady.]
Final Fantasy, Kingdom Hearts, X/1999, Fullmetal Alchemist
[The alluring stranger whom you've flirted with at parties but have never gotten really serious with.]
Junjou Romantica, Ouran Host Club, Gintama, Karas
[The one you hang out with and have vague fantasies about maybe having a thing with but ultimately you're just good buddies 'cause the friendship is there but the chemistry ain't.]
One Piece, Inu Yasha, Gundam 00, Samurai Champloo
[The one your friends keep introducing you to and who seems like a hell of a cool guy except it's never really gone anywhere.]
Haruhi
[The one who's slept with all your friends, and you keep looking at him and thinking, "Him? How the hell did he land all these cool babes?"]
Higurashi, Twilight
[The one your friend has fallen for like a ton of bricks and whom she keeps babbling to you about on the phone for hours, and you'd be happy for her except you just know it's going to end badly.]
Naruto
[The one who gave you the best damned summer of your life and who you measure all other potential partners against.]
Final Fantasy VII
[The one that you will cheat on your steady with.]
Sengoku Basara
[The one that you’d look up on Friends Reunited]
Digimon
[The one that you’d change the locks on]
Pokémon, DragonballZ
[First love]
Sailor Moon
[The one you first slept with]
X/1999
[The one who seduced you, fucked you over, and broke your heart in a million pieces then laughed about it.]
Lovers & Souls, Harry Potter, Naruto, Death Note
----
[The old flame you don't see very often any more but whom you still really enjoy getting together with for a few drinks and maybe a pleasant nostalgic romp in the sheets.]
Roy Mustang / Edward Elric
[The mysterious, dark, gothy one with whom you used to sit up talking until 3 a.m. at weird coffeehouses and with whom you were quite smitten until you realized he really was fucking crazy.]
Train Heartnet / Creed Diskenth, L / Raito, Jet / Zuko
[The one you spent a whole weekend in bed with and who drank up all your liquor, and whom you'd still really like to fuck again although you're relieved (s)he doesn't actually live in town.]
Kaji / Misato, Abarai Renji / Kira Izuru / Matsumoto Rangiku / Hisagi Shuuhei
[The steady.]
Reno / Rude, Kakuzu / Hidan
[The alluring stranger whom you've flirted with at parties but have never gotten really serious with.]
Sephiroth / Genesis
[The one you hang out with and have vague fantasies about maybe having a thing with but ultimately you're just good buddies 'cause the friendship is there but the chemistry ain't.]
Franz d'Epinay / Albert de Morcerf
[The one your friends keep introducing you to and who seems like a hell of a cool guy except it's never really gone anywhere.]
Kurosaki Ichigo / Kuchiki Rukia
[The one who's slept with all your friends, and you keep looking at him and thinking, "Him? How the hell did he land all these cool babes?"]
Sanji / Zoro
[The one your friend has fallen for like a ton of bricks and whom she keeps babbling to you about on the phone for hours, and you'd be happy for her except you just know it's going to end badly.]
Uzumaki Naruto / Uchiha Sasuke / Haruno Sakura
[The one who gave you the best damned summer of your life and who you measure all other potential partners against.]
Danny Zuko / Sandy Olsson
[The one that you will cheat on your steady with.]
Axel / Roxas
[The one that you’d look up on Friends Reunited]
Riku / Sora, Jowy / Riou, Peter Parker / Harry Osborne
[The one that you’d change the locks on]
Fuuma / Kamui, Seishiro / Subaru
[First love]
Tai / Matt, Ken / Daisuke
[The one you first slept with]
Yamamoto / Gokudera
[The one who seduced you, fucked you over, and broke your heart in a million pieces then laughed about it.]
Uchiha Itachi / Uchiha Sasuke, Sephiroth / Cloud Strife