A Couple of Cuckoos, Volume 16 (A Couple of Cuckoos #133-141)

In the climax of the Okinawa arc, Erika and Hiro clash over their feelings for Nagi?! Meanwhile in Tokyo, while waiting for the others to return, Sachi has an unexpected visitor... from someone who had disappeared?! In the midst of all that, Nagi's mom Namie collapses... As he's on his way back to Umino-tei, Sachi hits him with the shocking assertion that he's “no longer her family”...