“Yes - so they’re parasites of "love.” Isn’t that such a perfect coincidence? Even further, D. paradoxum who successfully inhabit a koi discard its eyeballs within 24 hours. So the koi, like love, is blind.“ "Love is blind,” he repeated out loud. “I never expected to hear such a romantic thing out of your mouth.” Hearing this, the girl’s eyes widened like she’d come to her senses, and after a pause, she covered her face. “What’s up?” “…Now that I think about it, maybe sexual organs and copulation and stuff aren’t things I should talk about in public so much.” The girl’s cheeks faintly reddened. “I feel stupid now.” “Nah, it was interesting.” Kousaka snorted, finding the girl’s flustering funny. “Keep talking. About parasites.” The girl was silent for a while, but slowly began to say more. Kousaka lent her an ear.