OTP, casual, platonic

Avatar: the Last Airbender

• Katara/Aang
• Toph/Sokka
• Aang/Zuko
• Katara/Toph
• Ty Lee/Azula
• Mai/Zuko
• Katara/Zuko

The Legend of Korra

• Korra/Lin (another tag)
• Korra/Asami
• Korra/Bolin
• Asami/Lin
• Asami/Mako pending
• Mako/go to your room
• Asami/Bolin

Revolutionary Girl Utena

• Utena/Anthy
• Saionji, Touga, and Akio/horrifically painful deaths

Fullmetal Alchemist: Brotherhood

• Edward/Winry
• Roy/Riza
• Ling/Lan Fan
• Ed/Ling

Ouran High School Host Club

• Tamaki/Haruhi
• Haruhi/Hikaru
• Tamaki/Kyouya

Miscellaneous

• Youko/Rakushun (Twelve Kingdoms)
• Deryn Sharp/Aleksander Ferdinand (Leviathan series)
• Artemis Fowl/Holly Short (Artemis Fowl)

The Walking Dead

• Michonne/Asskicking

Adventure Time

• Marceline/Bubblegum

OT3s

• Lin/Korra/Asami (LOK)
  
• Bolin/Korra/Asami (LOK)
  
• Zuko/Aang/Katara (ATLA)
  
• Greed/Ling/Lan Fan (FMA:B) shutup
• Bolin/Korra/Mako (LOK)
  
• Hikaru/Haruhi/Kaoru (Ouran HSHC)