Toradora! (Taiga Aisaka is the blueprint for the "lovely but fierce" archetype).
Once they fall, they fall hard and protect their partner fiercely. Elements of a Lovely Tsundere Storyline lovely sex with tsundere girl final completed best
Constant bickering and "I don't even like you" energy. Toradora
One day, a new student named Taro transferred to Akane's school. Taro was friendly and outgoing, with a warm smile that could melt hearts. Despite Akane's initial coldness, Taro was intrigued by her and decided to get to know her better. lovely sex with tsundere girl final completed best
The "complete" write-up of a tsundere romance ends not with a change in personality, but an expansion of it. She does not stop being a tsundere; she simply adds the dere to her toolkit.