NIKKE Outpost: Off-Duty Tales

What is NIKKE Outpost: Off-Duty Tales?

Commander, there's no need to sortie today.<br> No emergency missions. No roaring gunfire.<br> At this moment in the Outpost, all that remains are the Nikkes' everyday moments, laughter, and little unexpected happenings.<br><br>(Source: NIKKE's English Twitter account)