Mail Sodong

Ui-Seong feels more than just a friend to his long-time pen pal. Then, Seok-Won, who he broke up with when he was graduating from high school due to studying abroad, appears. The two meet again at a school reunion just like in a novel and crave each other, while Hee-Seong is troubled between his past lover and his pen pal…

(Source: Ridibooks, translated)

Note: Part of the Geogeoikseon: Heavenly Original Webtoon Danpyeonseon (거거익선~헤븐리 오리지널 웹툰 단편선~) Collection.