深海棲艦たちがひっそりとクリスマスパーティーしてたのに、そこにプレゼント強奪にきた艦娘たちによってぶち壊されるという悲劇が巻き起こる！！
理不尽な砲撃がほっぽを襲う！！

The abyssal ships were just having a quiet Christmas party, but the ship girls who came to steal their presents destroyed them! What a tragedy!
They attacked Hoppo with a ruthless bombardment!!