通い婚
https://b-engineer.co.jp/uranaru/topic/1044487?page=1#:~:text=%E9%80%9A%E3%81%84%E5%A9%9A%E3%81%A8%E3%81%AF%E3%80%81%E5%A9%9A%E5%A7%BB,%E3%81%A8%E5%91%BC%E3%81%B0%E3%82%8C%E3%82%8B%E5%A0%B4%E5%90%88%E3%82%82%E3%81%82%E3%82%8A%E3%81%BE%E3%81%99%E3%80%82
誰の子どもじゃ
https://shae-bear.com/archives/6053/amp