There isn’t anime that I’m ashamed to watch at the moment, but there was one: Seikon no Qwaser. Both seasons. The anime was really really bad (all boobs), but I enjoyed it because I totally love Sasha and Mafuyu together. ;w;
Haruhi x Kyon (Haruhi Suzumiya no yuutsu), Nodame x Chiaki (Nodame Cantabile), Senjougahara x Araragi (Bakemonogatari), Inaba x Taichi (Kokoro connect), Naruto x Hinata (Naruto), Kuroneko x kyousuke (Oreimo), Rikka x Yuuta (Chuunibyou demo koi ga shitai), Mayaka x Satoshi (Hyouka), Mashiro x Sorata (Sakurasou no pet na kanojo).