Pretty sure that's the camera flash. Go check the embed link on my profile about page for the full image
MangaDex Forums
Doedoel
Doedoel
Buh-B-Betsu ni! It's not like I did it for Tony or something. I was just bored and wanted to change my PFP, baka!
Tony_Mushah
Never excepted that you will do it 
5hijima
homophobia in da eyes 🔥 lolol
Doedoel
what