Setoka Tachibana is a high school student with terrible luck in love. After being rejected 12 times in a row, she is determined to finally get a boyfriend. What she doesn't realize is that her popular and overprotective older brother, Haruka, has been secretly sabotaging all her romantic prospects. The story takes a dramatic turn when a major family secret is revealed: Setoka and Haruka are not actually related by blood.
Just as this news comes out, Setoka’s first love returns, and other handsome boys begin competing for her attention. This creates a complicated and often hilarious love story. The Nippon TV series has ended, but sign up for a reminder just in case it returns.