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Episode 1 Cheng Yichen, Long Time No See
Episode 2 Lufeng, We've Both Grown Up
Episode 3 I'm Willing, Even for Stolen Happiness
Episode 4 What on Earth Did You Do to My Brother?
Episode 5 Actually, I Fell for You Long Ago
Episode 6 This Is the Best Memory the Four of Us Share
Episode 7 Both My Family and My Lover Are My Weaknesses
Episode 8 Let's Break Up If You Want
Episode 9 I Don't Dislike, I've Always Liked
Episode 10 We've Been Together Since We Were 18
Episode 11 Lufeng, I Want To Start Over With You
Episode 12 Together, Forever
Double Helix - Season 1 Episode 6 : This Is the Best Memory the Four of Us Share
Lufeng's romantic Valentine's Day plans with Cheng Yichen are crashed by colleagues, but Lufeng uses the dinner to announce their love.
Season : 1
