Yeoreum and Namwoo.
Namwoo, heartbroken after finding out his first love will be getting married (Groo), bumps into a stranger during a drunken night out! The stranger, Yeoreum, turns out to be a fellow teacher. The most challenging project in Namwoo’s life begins when their books switch. Then later he found out that Yeoreum was the little brother of his unrequited love and plot twist his confession from the past was not heard by Groo but Yeoreum. Also Yeoreum unrequited love was Namwoo. In the end they end up with each other and damn this is just fucking wholesome. Super love this.
When The Cicadas Stop Crying Webtoon