A mysterious animal landed while Atsushi and En is taking a bath. The animal is asking the two to protect the Earth. Being disturbed, Yumoto went to ask the two but then stopped when he saw the animal whom he referred to as Wombat. In school, Wombat is still chasing Atsushi and En and being chased by Yumoto. The chase ended in Earth Defense Club room with Ryū and Io inside. Wombat asked the five of them to help protect the Earth and gave them 'Lovracelet', a bracelet that lets them transform into Battle Lovers.