Given the translation, the phrase could potentially refer to an application (app) that uses hypnosis to create an environment or scenario where one can imagine or simulate having a girlfriend. Alternatively, it could literally mean using an app for hypnotic suggestions related to one's girlfriend or relationship.

The "v241222" and "RJ" tags suggest this is a specific update or a "Circle" release found on platforms like (where games are identified by "RJ" codes). Story Premise

Updates often include "E-mote" or Live2D refinements for smoother character movement during scenes.

While saimin apps like De Kanojo Ni Kanochi V241222 RJ UPD may seem like a novelty, there is actually some scientific basis behind their claims. Research has shown that hypnosis can be an effective tool for managing stress, anxiety, and other mental health issues.

While specific patch notes for doujin titles are often hosted on the developer's Ci-en or Fanbox pages, updates for this genre typically include: