Responses
Yup its something like a clip i dont think it needs a piercing
It's called an earcuff. Different shapes and sizes are available. For both man as for women. I got a few myself. You just put it on your ear as if putting a half ring on your finger.
Google up earcuffs and you'll see :3
http://www.mangago.zone/read-manga/nigatsu_no_eden/mi/c2a1e667b539ab46450df9a6526f9746_chapter-2/26/
is that an earing or something?