(C82) [December-Girl (Juunigatsu Shoujo)] SWEET HEART

Nekojishi December 2017 Package Reward

(CR34) [BlueMage (Aoi Manabu)] Fuka Fuka. (December When There Is No Angel)

Nekojishi February 2018 Package Reward + Extras

[Zattou Keshiki (10mo)] TWIN TAIL CARNIVAL (December When There Is No Angel)

(C65) [Takotsuboya (TK)] Tenina! - No More Angel! (December When There Is No Angel)

[December-Girl] Confession of a Mask [English] [SMDC]

[Leaf] Tenshi no Inai Juunigatsu - December when there is no angel (artbook)

[December-Girl] SWEET HEART

[December-Girl (Juunigatsu Shoujo)] Kamen no Kokuhaku [Digital]