Kokuhaku Yokou Renshuu: Tokyo Summer Session is the thirteenth volume of the Kokuhaku Yokou Renshuu light novel series of Confession Executive Committee, and a look at the further relationship developments of the main six members of Sakuragaoka High School's Class 3-2 two years after their graduation. Much like predecessor volume Koi-Iro ni Sake, this volume a collection of multiple short story arcs.
The songs adapted in this volume are Kimi ni Todoketai Message (following Haruki/Miou), Manatsu no Valentine (Yu/Natsuki), and Koibito-tachi no Happy Birthday (Sota/Akari), all leading into Tokyo Summer Session.
HoneyWorks, also known as Haniwa (ハニワ), is an independent music circle, and the creator of Confession Executive Committee. The franchise is one of the group's major projects.