: Kakkou no Iinazuke (English: A Couple of Cuckoos ). Volume Release : Published in Japan on December 16, 2022 .
: At the start of the volume, Nagi and Hiro Segawa have officially begun dating after Nagi beats her in the midterm exams.
: A childhood friend of Erika named Rihito , who is also a hotel heir, appears in Okinawa. His presence and a potential proposal create significant tension and jealousy for Nagi. Kakkou no Iinazuke - Tomo 15 (#124-#132) [Sin R...
: A special Japanese edition included a mini photobook titled "Good Luck To You" ( Kimi ni ko are ).
: During the trip, Erika goes missing during a storm. Hiro, despite her awkward position as Nagi's girlfriend, joins the search and is the one to eventually find a distressed Erika sheltering in a store. : Kakkou no Iinazuke (English: A Couple of Cuckoos )
: Erika drags Nagi along on a trip to Okinawa , which quickly complicates his feelings for her.
: The digital English volume was released by Kodansha on January 30, 2024. Amazon.com: A Couple of Cuckoos Vol. 15 eBook : A childhood friend of Erika named Rihito
In of the manga Kakkou no Iinazuke (A Couple of Cuckoos), spanning chapters 124 to 132 , the story shifts into a major dramatic arc set in Okinawa. Volume 15 Key Events (#124–#132)