Might read

'Jinhyeon Lee', a student majoring in photography, is the first fan and only friend of 'Minjun', an unknown actor who is just starting to emerge. Among his few fans, actor Min-jun likes Jin-hyeon the most, and Jin-hyeon abandons his fan activities to study abroad. As soon as Jin-hyeon leaves for study, actor Min-jun disappears without any contact. Jin-hyeon, who ran out of money while studying abroad, works part-time without the professor's knowledge, and meets 'Wego', who looks exactly like Min-jun...

In a world where creatures called Demon Spirits once existed. Young Alto is pushed into a well that sealed away a Demon Spirit, due to the schemes of his bullies. To survive, Alto consumes the flesh of the Demon Spirit and becomes a demon himself. The Demon Spirit's name was 'Kamikui' (G** Eater) - a unique demon that grew stronger by devouring its opponents' flesh. Having inherited the characteristics of 'Kamikui', Alto grows stronger by consuming monsters. While struggling with his condition, Alto searches for a way to become human again to fulfill his promise with his childhood friend Mei.