When two opposite worlds collide, the outcome is never simple. Especially not with Jung Yerin and Hwang Eunbi. All her life. Yerin, she was always a bright girl. What happened? Why did her life suddenly flip upside down? Was it all because of a girl?    

"Remember this Hwang Eunbi" Yerin stand infront of her table and leaned until their faces are inches apart "change is the most constant thing in this world and that No will eventually turn into a Yes"

Sinrin shots.              

被记忆之神剥夺了记忆的太阳神Sowon 与拼尽全力去挽回这一切的月神Eunha

SinB was just a simple girl living around the town. One day she wakes up with a news that her mom was planning to get married again. SinB  was frustrated about this, but she guess she cab't do anything. All she wants is the happiness of her lovely mother. Will SinB considered this marriage of her mom as blessing in disguise when she meet Yerin? Her stepsister. This is the first time I will write  Sin

Episodes   A series of episodes of SinRin;

"I love you so much Rin. You're the best," she cupped her unnie's cheeks with her hands. "I know princess" she smiled softly at her girl.

Sinb pick up the old figurines and boxes from the japanese ancestral house and there she found a photo of a Young beauty that will turn her life into a rollercoaster. "We have to stop this" "Why? What's wrong? Did i-" "You and I are not bound to be together" The lady Whispered and gave her a gentle kiss after that she turn her back against her leaving the young woman at the dark and cold foyer.

something that i never showed doesnt mean it doesnt exist. it clearly exists, in my heart. ... enjoy guys, this gxg story.

enjoy guys. gxg story.

Yerin loves having casual relationships with girls, and touching them whenever she feels like it. SinB can't stand it, because she's starting to fall for her y friend, and wants Yerin for herself.  

What if devils were not evil beings? What if Yerin was one? What if SinB could see her? What if, Yerin's not a succubus but SinB is still attracted to her?

With the maknaes in the equation, peace is bound to happen... or is it? everything just comes in with extra, making "1+1=2" a load of total nonsense.