"If you want to be friends with my little brother, go ahead and try to beat me!” Akana Ryuusei is 15 years old. He is a high school boy who has a reputation for being cute even in his neighborhood. His older brother, Subaru, loves him so much that he has become a teacher at his brother's school and stalks him every day. On the other hand, Ryuusei, who has grown up innocently under his brother's protection, falls in love with a certain male student. The older brother, thinking that it is still too early for his younger brother to fall in love, decides to crush his brother's love...! This is a sequel to the previous work, “Story about my little brother being too cute". This is a school love comedy about the Akana brothers who can't fall in love properly!