Tteugeoun Hongcha

Nu-Ri finds themselves attending an all-boys high school, replacing Cha-Yeon, the son of a prestigious family who looks like her like two drops of water. But here's the catch: Nu-Ri is actually a girl! As she attempts to conceal her true identity, she befriends Seok-Yeong, a charming and caring classmate. Seeing a little too much... Follow Nu-Ri on this adventure where she will have to juggle between the weight of her secret and her budding feelings.

(Source: WEBTOONS, translated)

Note: Chapter count includes ten side story chapters.