Sakamoto Days manga volume 13 features story and art by Yuto Suzuki.

In order to avoid expulsion from the JCC, a young Sakamoto, Nagumo, and Akao are assigned a special mission - along with another outcast, Uzuki. The assassins close in on their target at a special department store for hit men, but unbeknownst to them, their actions there will alter the course of their futures forever…