Responses
Doujin? It’s not a doujin but this might be what ur looking for http://www.mangago.zone/read-manga/mimori_s_naughty_mouth/
OH WAS IT NOT A DOUJIN XHSOXNCUWOXJ THANK YOU GUYS THAT'S THE ONE ILY STAY HYDRATED
Doujin about an office worker with a mouth fetish that goes to see a dentist.