Guy finishes off college and comes home for a short while before heading off into the "real" world. Things are a little strange right from the get go... His mom died just before he went to college and his father has a new girlfriend. Upon returning, his dad, his dad's girlfriend and her one daughter are cold, while the other daughter and MC's "Lover" are happy to see him. The game picks up with him just returning home, explores the relationships with these characters (and others) and will include a main plot with a couple of subplots.
In order for you to be able to install this game, you need to enable (allow) installation of applications from unknown sources (Unknown sources) in the phone settings. Usually this item is in the Security section