art:
Ai no Kusabi
Angel Sanctuary (Kira x Setsuna, Rosiel x Katan)
Assassin's Creed (Marik x Altair, Leonardo, x Ezio, Shaun x Desmond)
Batman (Batman x Joker, Superman x Batman, Batman x Robin)
Beyblade (all of them, safe the girls, especially Tyson x Kai)
Captain Tsubasa (Tsubasa x Hyuga)
Cardcaptor Sakura (Touya x Yukito)
CATS (Tugger x Mistoffelees)
Detektiv Conan (especially Heiji x Shinichi)
Devil my cry (Vergil x Dante, Dante x Nero)
Dragonball Z (especially Vegeta x Goku)
Final Fantasy 7/AC (Sephiroth x Cloud, Rude x Reno, Treng x Rufus, Zack x Cloud, Loz x Yazoo, Cid x Vincent, ...)
Final Fantasy 8 (Seifer x Squall, Seif