Guilty Vol. 12 (Kodansha, 2023)

Sayaka and Rui have come to terms with each other's pasts at long last, and Akiyama-stuck between the two of them for so long-finally feels secure enough to leave them and pursue his dreams in Italy. But when he returns two years later, he finds Rui in the ICU and Sayaka with a baby child. What happened while he was away from Japan…?