Kemonokko Tsuushin The Animation episode 3," a young man named Tatsuomi wakes up after a fever to find a winged girl named Rupia in his bed. Confused by her presence and his own revived health, Rupia explains that he consumed her nutritious eggs, which cured his illness. She then insists on a "healing" process to address his continued arousal, leading to several intimate encounters.
Tatsuomi begins to recall the night before, realizing he was transported to another world and met Rupia when he was ill. Rupia, having no other place to go, proposes they live together, with her providing more of her health-restoring eggs in exchange for his company. She later reveals that her species mates for life, implying a permanent bond with Tatsuomi. The episode concludes with Tatsuomi adapting to his new life with Rupia, enjoying improved health, and even being flown to university by her.
