<tabber>Season 2=
K-zwölf 's first appearance.
K-zwölf ready to shoot.
Her partner shooting.
K-zwölf behind her partner.
K-zwölf searching L-elf.
K-zwölf strangled by L-elf.
|-|Manga=
K-zwölf in Ryuusei no Valkyrie.
K-zwölf in Uragiri no Rakuin vol 2.