Infiltration! Easter Company!?.The episode starts with Yoru looking exhausted as he rests in Kiseki's chair. He has just came back from looking for Ikuto the night before. Kiseki, being the character he is, finds Yoru sleeping in his chair and becomes angry, scolding Yoru that it's his fault Ikuto is being controlled by Easter because he's such a coward. Yaya proposes a plan to get inside of Easter and find Ikuto and during the Guardians' attempts, Yoru, upset by Kiseki's words, tries again to find Ikuto. Kiseki notices him leave and tags along. They both manage to find the music tuner which controls Ikuto. Yoru and Kiseki manage to grab the tuner and run, but Kiseki is later caught. Yoru, caught between leaving with the tuner to helping Kiseki, has a difficult time deciding, but makes the decision of helping Kiseki. Unfortunately, Yoru loses the tuner in the process, but he and Kiseki manage to escape. Meanwhile, the other Guardian Characters go to the amusement park to look for clues, but find nothing and decide to go on the rides. They go back to meet Amu and the others, who are all wondering where Yoru and Kiseki are. In the end, they find the two of them resting on each other, exhausted from their day.