A collection of side stories included with the blu-ray limited editions of the K – Return of Kings anime. – BD1 「潜伏と再開」 (On Lying in Hiding and Reunions) by Miyazawa Tatsuki – BD2 「剣、二振り」 (Swords in a Pair) by Suzuki Suzu – BD3 「テンペルホーフ１９４５」 (Tempelhof 1945) by Takahashi Yashichirou – BD4 「クリスマス・キャロル」 (Christmas Carol) by Furuhashi Hideyuki – BD5 「昴／長男と、その親友」 (The Pleiades & The Eldest Son and His Best Friend) by Kabei Yukako – BD6 「デスパレート・ゲーム」 (A Desperate Game) by Raikaku Rei – BD7 「ある少年の進路探し」 (A Certain Boy’s Search for his Future Path) by Azano Kouhei