Byeorege
Go Han-Byeol, who has liked his older sister's best friend, Yun Ha-Neul, since childhood, enters the high school he had been looking forward to. He enters dreaming of a sweet school life with Ha-Neul hyung, but that Ha-Neul Hyung is dating his older sister!? On top of that, along with that news, Ha-Neul, who had been avoiding Han-Byeol, ends the high school he had been looking forward to so much. And 10 years later, due to a series of events, Han-Byeol and Ha-Neul meet again and hear the detailed story from 10 years ago...
(Source: Ridibooks, translated)
Note: Part of RIDI's Natjyeobami Danpyeonseon (ëŽė ¸ë°¤ė´ ë¨í¸ė ) Collection.