It is said that all gays have a gay dart, which can detect who is gay and who is not around them at any time. According to the uncertainty rule of gay identification of "I think he is gay", the accuracy of gay identification does not seem to be too high, but the accuracy of Lin Tong's gay identification can reach 100%. It is accurate at first glance and is 100% correct. In his eyes, there are no closeted pseudo-straight men, nor are there any fake gay men pretending to be gay to try to gain popularity. He has a keen eye to identify gays. This is a story about a 100% gay Lin Tong who happened on a university campus.