The second game by Vortex00. This one is a expansion of the first one Umichan: Maiko. In this one users get two option a story and a hentai of how long you can last in the game. In this one the plot is that Maiko's friend Riley visits her because she miss the first day of class. Maiko try to play dumb about it. When both were walking to school, Riley ask what was she doing yesterday. You'll play a mini sex game with her. With put giving you the plot there is a second sex mini game and a ending. In this game users discovered that Maiko have a rival. Her name is Luma.