Assistant Manager Kim Hates Idols

Kim I-wol, a 5-year employee at Hanpyeong Industries and a "proxy fan" for the department head's daughter for 5 years. Today, as usual, he collapses after hearing news of the group's disbandment while doing unpaid overtime for proxy fandom work. When he opens her eyes, he's regressed to age 20 without dark circles, and as a condition to nullify her sister's death, he's given the task of debuting with 'Spark,' the group he did proxy fandom for