My Childhood Friend Meows Under the Skirt

Miyake has more cats than any other town in Japan, and Ichika is crazy about all of them. If she could be friends with cats, she probably would. Especially since Ichika hasn't spoken to her childhood friend, Maki, for over a year at this point... After Ichika realizes her and her estranged bestie are now classmates, she becomes determined to rekindle what they once had. But Maki is skittish, withdrawn, and never gives Ichika a chance to get close—until a magical cat's curse changes their relationship forever... (Source: Yen Press) Note: Includes two extra chapters.