Little Sister

With her mothers remarriage Dongjun lives in his stepfathers house while they are on honeymoon However on the first night of living in his stepfathers house he witnessed his stepsiblings Seolah and Dojin having sex Seolah and Dojin are not brothers or sisters but Dongjun is shocked at the thought that they are brothers and sisters That night he dreamed for the first time in years and the next day Dojin leaves early and only Dongjun and Seolah were left at home Dongjun feels burdened by Seolahs kindness After a while Dongjun who returned from exercising in the yard finds Seolah taking a shower with the door open Seolah asks Dongjun to wipe her back Since they have become families she suggested for them to shower together and they had sex