Zutto Issho is a first person perspective dating simulation game that when it was rereleased by Hamster the game graphics, the packanging & the ending song were changed. The goal of the game is to win the girls heart so the player will have to date her and make her feelings about the player's character grow. There are also some time limits in the conversations so the player have to decide quick what to do. There are also other characters to interact with (even the girls got their rival). The game features japanese voice acting for the characters.

The main game's here have to start living by his own when his parents had to go due to a job transfer. He got an apartment and start living with a girl. The game features 3 different girls (Sakura, Tiki or Miki) at the beginning to choose which one the player wants to live with. Each character has his own story so playing with each of them is a different game. During the days, the player's character has to go to the high school and do other activities, and depending of the conversations and the actions that he chooses the emotions of the girl will be different about him.