Takkun to Stalker Danshi - Kyou wa Takkun no Tissue o Tabemashita

From xiaojiangworld:

Kaneko Takuma is a high schooler with the secret hobby of making cute accessories. Suddenly, he runs into Maki Junpei, an eccentric glasses and mask-wearing classmate. With love letters and eerie stuffed animals as presents, it’s getting hard for Takuma to ignore his anxiety over the clumsy stalker. From then on, strange things occur after Takuma sees Junpei’s adorable unmasked face. With the ideal pretty face of his that throws Takuma into a turmoil, Junpei forces sex on him in a deserted classroom…?!