Complex sentence: In the novels, Amelia is the same age as Lina, but in the anime and manga franchise, Amelia is a year younger than Lina and smaller (though very busty, much to Lina's annoyance).
Split into simpler sentences: In the novels, Amelia is the same age as Lina. But in the Anime-manga franchise Amelia is a year younger than Lina and smaller (though very busty, much to Lina's annoyance).