Birds Sing Even at Night Ep. 4 by StateOfMind - Adult Sex Game

You play as a young man of 25 years old. After graduating from university, he got a job at a local research laboratory.
It was at work that it turned out that his brain is able to cope with highly assigned tasks. Thanks to this, main character has no problems with employment and salary.
But in his life there were drastic changes. Due to certain circumstances, he had to move to another city in order to avoid meeting with the "demons" of the past.
The hero would not be able to cope with his emotions if his beloved sister did not reappear in his life.
How his career will develop and what path his life will follow depends on your decisions.
ATTENTION!
In this game you have three ways. To open all the events, you need to complete the game three times. Please read the notes carefully before starting the game, as well as the introduction and day 1.