softhenic's manga / #Manhwa(2)

Ch. 19 25 26 27 Childhood friends Ginu and Yubin live in separate apartments in separate buildings right next to each other - so close, in fact, they can talk to each other and see into each other's apartments through their windows. But Yubin's long-held secret is revealed one day when Ginu sees him doing something naughty through the window...

So, this was about friends who got separated when they were young. Then, Yoon Taemin got into an accident and woke up in another person's body. The young man called Han siwoon who got bullied and tried to suicide because of his stupid bastard younger twin. And little did he know, he met his lost friend -Min Woojin- who currently living as Siwon.