Ep. 1: Rito faces Nemesis's ghost story demands and Mikan's discipline while Riko aids Yami at the clinic.

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Nemesis pressures Rito for a ghost story until Momo volunteers, leading to a seductive battle that wakes Mikan. Nemesis escapes, leaving Mikan to discipline the pair while warning about Mikan's vigilance. Meanwhile, Mikan and Rito arrange for Riko to assist Mikado at the clinic, hoping to help Yami interact with Tearju. Riko endures inappropriate contact from a patient but the day proceeds smoothly until Tearju disappears. Yami and Riko descend to the basement, where they discover a medical robot assaulting Tearju after she tripped. The robot attacks Yami and Riko, stripping and bandaging them. Tearju refuses to flee without her daughter, prompting Yami to destroy the machine. Yami then receives an unexpected surprise from Riko.