Toradora!, Mayo Chiki! Recommendations
In both those school love comedies, there is a very special relation between the two protagonists (Ryuuji/Taiga and Jirou/Konoe), with ups and downs, but evident.
Also Ami and Kanade (both played by Kitamura Eri) are very similar characters.
both having school life, romance, comedy, similar support characters, protagonists developing relationship in unique ways but ending up together.