La que me gusta es mi hermana pequeña, pero ella no ya no es una hermanita., My Sister, My Writer, Ore ga Suki nano wa Imouto dakedo Imouto ja Nai, The One I like Is My Sister but Not My Sister
Suzuka Nagami is a beautiful third-year middle school student who has excellent grades and is the student council president. She wrote a novel about a little sister who dotes on her older brother, and the the novel wins a light novel award. After they discuss the matter, Yuu is the one who debuts as a proxy light novel author instead of Suzuka, under the pen name Chikai Towano.