Ken to Mahou no Logres: Inishie no Megami x Fate/Extella (Logres of Swords and Sorcery: Goddess of Ancient x Fate/Extella)
A collaboration between the mobile game Ken to Mahou no Logless Inishie no Megami and the video game Fate/Extella (which takes place in the Fate/Extra and Fate/Extra CCC world). Advertising that Nero Claudius (and others) from the latter are now a playable characters in the former. Along with limited edition equipment and prizes the even ran from December 7-21, 2016. The commercial features some live-action imagery of the phone app but is predominately unique animated footage.