Azuki-chan

A young student named Azusa Noyama is known by the nickname Azuki-chan, a misheard version of her name from childhood that she initially disliked. After being teased by a classmate named Ken-chan, a new student named Yūnosuke Ogasawara enters her class and cheerfully remembers her nickname, making her the first girl he acknowledges. This moment makes Azusa happy, and she develops feelings for him, embracing her nickname. She becomes upset when she sees him talking to other girls and is confused about why he does not recognize her affection.