The story follows the main character, who, having no experience of communicating with girls due to childhood injury, receives a chance to return to the past and change his fate.
Now, having the opportunity to start everything again, he decides to use this chance to become the person he dreamed of.
Having been in the past, he meets the young version of his beloved Kasumi, which becomes a turning point in his life.
Having decided not to miss this opportunity, the hero begins to explore the world of new emotions and relationships.
Possessing the knowledge and experience accumulated in the future, he seeks to realize his dreams and desires that previously seemed impossible.
Plunging into this new world, he becomes more confident and skillful in his relationship with Kasumi and other girls he meets.
However, he also faces the unexpected consequences of his actions, realizing that changes in the past can seriously affect the future.