The Luminous Solution Guest cast, played by Praephan Hiransrisoontorn Episode 1x01: Episode 1 (May 27, 2023) Episode 1x02: Episode 2 (Jun 3, 2023) Episode 1x03: Episode 3 (Jun 10, 2023) Episode 1x04: Episode 4 (Jun 17, 2023) Episode 1x05: Episode 5 (Jun 24, 2023) Episode 1x06: Episode 6 (Jul 1, 2023) Episode S01 Special: Side Story Keaw - Kanda (Aug 26, 2023)