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Roy and Riza, Manji and Rin, Kyosuke and Madoka, Oscar and Andre
Did so much, like NarSaku, according to a certain Anti NSers.
What? I don't understand what you mean. What did they do so much like NaruSaku?
Roy and Riza... I don't know what manga/cartoon they are from.
Manji and Rin are Blade of Inmortal's main characters. Blade of Inmortal is a seinen manga, and it is completely different form Naruto. Manji usually isn't nice or peaceful, let alone idealistic, and Rin... Well, I guess Rin MAY be regarded like a Tsundere. She usually is calm, kind and gentle, but she has quite a temper when she is riled up. She also is loud-mouthed -she has faced psychopaths utterly outclassed her in kenjutsus, and she has called them "trash" to their faces-, and sometimes flirteous, but sometimes she is quiet and gloomy.
She also has HUGE self-confidence issues, though, but Manji (who usually can be an ass), always tries cheering her up and boosting her confidence up. I reckon you can liken that to NaruSaku, but seinen manga are VERY different from shonen manga.
Kyosuke and Madoka are Kimagure Orange Road's main characters, one of my favorite shonen mangas ever, and one of my favorite ships ever (and by the way, Kimagure Orange Road is a ROMANCE manga. Shonen manga always or nearly always being about fights and battles and little romance is a misconception). Kyosuke is quite different from Naruto (mainly he is very, very, very, very, very hesitant, and he actively tries NOT drawing attention), and Madoka is a full-blown Tsundere, but less louder and calmer than Sakura.
And that isn't the only difference: when Hikaru -her best friend- fell in love with the same person Madoka was falling in love (Kyosuke), Madoka assured she would support her (she never told Hikaru she also liked Kyosuke and she had already met him), and inwardly decided getting out of her way (needless to say, she wasn't successful).
Oscar and Andre... Some people should really let classic stories alone. They are characters from classic shojo manga Versailles no Bara (Rose of Versailles), published in 1972, IIRC. Oscar is a Tsundere (one of the first tsundere female leads). She and Andre trusted wholeheartedly at each other. However, Oscar was in love with another man -who didn't love her back-. But she was gradually falling in love with Andre and finally she admitted her feelings.
I don't know if comparing those pairings with Naruto and Sakura works in favor or against NS, but all of them have similarities and differences, so it can work both ways.