Yee Su-yoon is a high school student who has everything going for him – top of his class, top fighter and a Barbie-like girl friend named Kang Ha-eun. But why does he mistreat his girl friend and seem to always protect a girl named Chae Shin-hee?

Cursepenpal.net is a website made for people who wish to vent out their anger with another fellow online partner. Cheyool's just the unlucky one to be chattering with the school's biggest two face Yu se-ha who gives her the "Salieri curse oooo, however they do not know who they are speaking to in real life of course. Even after Cheyool moved into the same complex. Even though they don't know who each other really is, they still treat each other as bitterly as they do online. This is the start of Cheyool's torturous years with the devil himself! (Source: Mangafox.com)

Like a butterfly drawn to a flower, I paused, captivated by its beauty. Grasping the stem, I pulled with all my strength and broke off a single blossom. Though my lips barely touched it, my whole body felt feverishly hot. It spurted hot blood without pause. It couldn't possibly be this hot otherwise. (Source: Naver, translated) *Note: Includes 24 extra chapters.*