He is the stalker who suddenly returns after being missing for four years(Toptae taekook ff explain)

𝒎𝒂𝒈𝒊𝒄𝒂𝒍 𝒉𝒐𝒑𝒆 𝒐𝒇 𝒎𝒚 𝒍𝒊𝒇𝒆