Roommate: Ryōko in Summer Vacation is the second game in the trilogy centering around Ryouko Inoue, your roommate for the time of the story. Ryouko just came from abroad and decided to use her summer vacation to return to Japan. Arriving hot and sweaty from the airport, she rings your door bell and after taking a quick shower tells you all about her trip abroad. For the time being, she'll be staying with you and be your roommate.

[From Mobygames]