フェチとかけてフチととくその心はどちらもフと言う字が入ってるでしょう

https://i.imgur.com/oVgziSn.jpg
https://i.imgur.com/rv4s7Uu.jpg
https://i.imgur.com/gfh5m21.jpg
https://i.imgur.com/9Mh993e.jpg
https://i.imgur.com/csVPfAH.jpg
https://i.imgur.com/r0teNv8.gif
https://i.imgur.com/umkw977.jpg