Doona! 1x6 Twilight Zone Season 1 Season 1 9 Episodes Doona secretly visits Dream Sweet’s showcase event. Later, she invites Won-jun on a spontaneous trip to her childhood home. 1x1 - An Unexpected Twist 1x2 - Getting to Know Each Other 1x3 - Spring Breeze 1x4 - The Unexpected 1x5 - Meaningless Kiss 1x6 - Twilight Zone 1x7 - Clear the Air 1x8 - Typical and Ordinary 1x9 - Doona!