IN Tokimeki: Check-In! The story is about a young man named Takayuki. The plot begins with his parents opening their own business – a small hotel. There are not enough employees, and they ask their son to help. The young man agrees and becomes the hotel manager. Plus, he acts as a bartender. At first, he is not very happy with the job, but soon he realizes all its positive aspects. After all, most of the visitors and guests are young girls. With whom the character not only communicates, but also courts, which leads to romantic relationships. At the same time, the game contains adult scenes and is intended for players over 18 years of age.

All actions in Tokimeki: Check-In! are performed in the form of a comic book, which is based on the hentai style. The user watches scenes that unfold within the walls of the hotel. The main task is to participate in dialogues, choosing a certain phrase from the proposed list. This entails the development of the storyline. The events are also influenced by the movements and decisions that are available to the hero. The gameplay is tied to the relationship of its participants. The guy wants to start an adult life, so he seduces visitors. At the same time, there are several young ladies who are not against closer communication with a nice young man. It is necessary to look for pretexts due to which you can enter into a dialogue. Perform actions that will entail sympathy and approval among representatives of the opposite sex. This depends on the decisions made by the player.