Omoi, Tokihanatareta Toki by Kiss - Adult Sex Game

The main character goes to school.
After he passed the final exam before summer vacation, his father informed him that he would have a new mother.
He said and went on a honeymoon trip. His classmate Sakaki Madoka and ch*ldhood friend Nishina Mio will help him survive this time.
Returning home, the hero found that the door was not locked. Which was strange, because from that day on he lives alone.
Perhaps the father hired a maid to clean up, then who is this beautiful girl in one towel? She was confused
"Don `t you remember me?"
This wonderful voice. The hero will never forget him. The best friend they broke up with as a ch*ld.
It turned out that now she became his half-sister.
The hero planned to have a fun summer, but now memories flooded, which were almost forgotten.
Three charming girls, each of whom has tender feelings for the hero.
A tough choice lies ahead. The story of summer romance begins today ...