Toradora! Volume 2 (Manga) — Yuyuko Takemiya

Takasu Ryuuji thought that his ill-fated luck had turned around now that he was in Junior High and sitting next to the girl of his dreams, Minori Kushieda. Ryuuji was wrong; for after he unwittingly crossed the most feared and fearsome girl in school, Taiga Aisaku, everything went off the deep end!

It's taken time, but Ryuuji and Taiga have slowly found some common ground and can at least tolerate each other. The problem is everyone in Ryuuji's class is now convinced that he and Taiga are dating?even Minori! To make matters even more embarassing, Minori has given Ryuuji and Taiga her blessing. How's Ryuuji ever going to win Minori's heart now?!