"Medaka are among the fish that spawn, where fertilization occurs after the eggs and sperm are released in water. As these gametes are difficult to collect, the number of sperm released and the ...

as Medaka. Hololive VTuber unit AyaFubuMi performs the opening song, "Ame Tokimeki Koi Moyō," and Kaori Maeda (2.5 Dimensional Seduction theme songs as Ririsa Amano) performs the ending theme ...