Tonikawa: Over the Moon for You Chapter 253 Spoilers & Manga Raw

In chapter 253, the core of the curse of immortality that Tsukasa has carried is finally revealed. Beneath their peaceful life, Tsukasa’s cells have been frozen in an eternal loop due to the extraterrestrial energy she was exposed to on the moon. Nasa discovers an ancient text revealing that this energy originated from an artifact left behind by Kaguya. For over a millennium, Tsukasa lived in isolation to protect others from the artifact's mental interference. However, Nasa’s unwavering love and scientific brilliance finally uncover the key to breaking this curse. In the final scene, as they join hands, a blinding light erupts, burning away the mark on Tsukasa’s body. This symbolizes that she can finally age as a human and spend a mortal life with Nasa. Their love has officially triumphed over the constraints of destiny, paving the way for a future where they can grow old together.