Light On Me Guest cast, played by Yang Seo Hyun Episode 1x02: Episode 2 (Jul 1, 2021) Episode 1x03: Episode 3 (Jul 6, 2021) Episode 1x04: Episode 4 (Jul 8, 2021) Episode 1x05: Episode 5 (Jul 13, 2021) Episode 1x06: Episode 6 (Jul 15, 2021) Episode 1x07: Episode 7 (Jul 20, 2021) Episode 1x08: Episode 8 (Jul 22, 2021)