CUPID'S ARROW ( the Unexpected )

While Eros is busy on his other tasks, his cousin Airi substituted his job as an Amorini on Earth.
And the mission that has been held to her is to shoot Mayu Saito’s heart with a golden arrow.
But by an accident, Airi missed to shoot her due to for being an amateur to the task. And now, she has only three weeks left before Saito will fall in love to her college friend, Taichi Nishimura, who is also in love with her.
And so, to fix up the problem, instantly; an idea has been pop out on her mind.