≠ Not Equal

After a meeting with his long-absent father, Ryou unexpectedly time travels to 22 years in the past, landing in the late Shōwa period. His father, Konomi, is now a teenager, three years his junior. Struggling to adapt to the unfamiliar setting and unable to return to his original time, Ryou experiences growing anxiety. As he attempts to adjust to his seemingly invisible presence in this new reality, his emotions begin to shift.