Shota Oni  

ショタおに

An elementary student named Tsubaki has developed strong feelings for his high school friend Yuu, who he sees as gentle and easygoing. Despite Yuu treating him with kindness, Tsubaki feels like he is still just a kid in Yuu's eyes. However, Tsubaki remains determined to grow up quickly so that he can make Yuu happy. This heartfelt story of innocence, admiration, and time-growing bonds is just beginning.