Renai Banchou! Inochi Mijikashi, Koiseyo Otome! Love is Power

Our heroine is pissed off that she can't find her special someone, while everyone else seems to have found theirs. She decides to try the school legend: tie a yellow handkerchief in the school roof that will make a Ren'ai Banchou come and help her with her love issues. However, she ties 7 of them and 7 Ren'ai Banchous come to help her. Maybe one of them is her destined someone...