To Your Eternity manga volume 6 features story and art by Yoshitoki Oima.

Fushi remains on Jananda with Hayase, and by doing so, frees Tonari and the group. But Tonari returns to the island to save Fushi, where a grave danger awaits them yet again. When the lives of his dearest friends and the island’s inhabitants are under threat, it’s up to Fushi to take the next step…