Episode 12 (K Return of Kings)

Knuckle Bump is the twelfth episode of the K Return of Kings. It premiered on December 19, 2015.

Fushimi risks his life to clear the path for the Red and Silver Clans to enter the Green Clan's secret base. Realizing that Fushimi was on their side all along, Yata races to save his former friend.

Summary
The alliance of the silver and red clansmen swoop down over the battle between the Grey king Tenkei Iwafune and Reisi Munakata, crashing at the Yomito gate. Tenkei manages to beat down Munakata, only for his own clansmen to arrive and block off Tenkeis final blow. Seri Awashima tells Reisi that they have suppressed the incidents of new strains around the city and saved the Prime Minister. Reisi manages to regain his strength and attacks Tenkei with a single blow, Tenkei stumbles back in disbelief, already laying a pool of his own blood. The team of Scepter 4 look back at Reisi, noticing that he is dangerously close to Damocles down.

Members of HOMRA begin to take the several basement levels of the secret base, each given one of Anna Kushina's marbles. Izumo Kusanagi assists Shiro into the lower levels, while Saruhiko Fushimi and Sukuna Gojo battle deep under Jungle's secret base, B9. Just as Saruhiko is on the verge of death, Yata MisaKi appears and aids him, forcing him to play along with a bit of old time teamwork. The two manage to defeat Sukuna, throwing him deep into a hole. Yata leaves Fushimi to do his own job as Fushimi is backed up by Douhan Hirasaka.

Yukari Mishakuji challenges Kuroh Yatogami deep in the underground to a duel as Neko and Yashiro are forced to leave him behind.