Childhood Friend Cucked - Tiria is an Obedient Sex Slave ^Final

You can only see that your childhood friend is being cucked in this game.
The protagonist does not speak. What he feels is left to you.
Almost no battles. The story progresses by exploring. There are day and night times.
The total playtime is about 2~3 hours.
14 H scenes in sprite-sized pixel animation​

Game is avaialble for Windows