Hot off the success of her first mission, Koharu steels her resolve and sets a goal of gathering enough karma to return to human life. To help make that ambitious dream a reality, her mentor Kanna puts Koharu through Cupid boot camp, but their training is interrupted when Chiyo shows up to challenge the two to a rematch! And she's not their only competition—a trip into the countryside goes awry when they encounter Ena, a straightlaced cupid who doesn't appreciate an inexperienced rookie getting in the way... !