Yakumo<3's manga / #revenge(11)

When he joined new company and were at the welcoming party drinking with other co-workers, one sunbae co-worker especially caught his eye, seeming so kind sunbae. But he betrayed him as they were walking by assaulting him in an alley, and doesnt even remember doing it cause he was so drunk. Now he wants to revenge sunbae's wrongdoing!