1. won has an abusive dad 2. won relies on tutor for affection and warmth 3. later realizing tutor is a psycho, and runs away. 3. he meets Jinha (lil bro) and is offered some icecream and Jinha comforts him 4. won goes back to psycho tutor and continues the relationship. 5. won goes to college and meets Jinseo (big bro), mistaking him for Jinha 6. Jinseo develops feelings for won, and helps him get out of the relationship with tutor 7. Jinseo starts to be obsessed with won, and at some point won realizes Jinseo is not Jinha 8. Won starts going to meet the brothers' parents more often to see Jinha 9. Jinseo gets jealous and starts dressing like his brother and steals his brothers clothes. 10. At one point, he goes full crazy and ALMOST made Jinha fuck won. 11. At this point he is crazy, and ends his __. 12. Won uses this moment to get close to Jinha, and all the batshit crazy shit u've just read happened. 13. Back to present, Jinha goes crazy and is left alone for a while. 14. When Won gets back eventually, and Jinha breaks his ankle so he can't run. 15. They are both crazy for each other at this point. 16. They then meet won's abusive dad, and they have a huge fight where I'm not sure what happened but Won and Jinha walked away satisfied with the ending. 17. BOOM somehow the ending was rushed and they seemed all happy going to a bookstore LOL.
Based on his reaction when he saw their family photo, I’m pretty sure Won already knew that Jinseo was not Jinha (I think he found out pretty quickly). He didn’t like the attention Won gave his little brother, but Won was the one that gifted Jinseo the same jacket Jinha had. I don’t think he was purposefully copying his brother. Cause he freaked out when he realized Won was changing his style to match his brother
lol i know he's about to squirt, but i thought he had to take a sht for a moment