Haibaiyoushi MizuiroHaibaiyoushi Mizuiro ~Funin Chiryou no Specialist~; 胚培養士（はいばいようし）ミズイロ～不妊治療のスペシャリスト～; Embryologist Mizuiro

An embryologist, using a microscope, uses sperm to fertilize an eggs with their own hands to bring human life into this world. Ayumu Mizusawa is a genderless, genius embryologist who likes fishing and helping couples bring life to this earth.