Haru catches a cold on New Year's Eve so Kuroyukihime looks after him.

The gang have a Christmas party where Kuroyukihime refuses to leave her cocoon.

After winning a territory match against the Blue Legion, Haruyuki is due for a physical re-examination in two weeks. If he fails then he'll be unable to participate in territory matches, Fuuko decides to invite the Nega Nebulous for a weekend spa treatment to help Haru.

As Kuroyukihime decides to hibernate in Haruyuki's apartment, Fuuko teaches Haruyuki how to wake her up.

The gang go on a trip to the mountains.

The gang go swimming in the lake, where they have 'tea time'.

Leopard finds a baby leopard and takes it in whilst the others try to make cookies.

Inside the Umesato Junior School Network, two girls are trapped and attacked by a mysterious avatar who strips them of their clothes and items. In the following day, after learning from Yuniko that the same phenomena is occurring at other schools, Kuroyukihime assembles the other members of Nega Nebulus and together they come with a plan to lure out the perpetrator.

Kuroyukihime attempts to ask Niko to bake her some bread, but ends up asking for panties instead.

Kuroyukihime attempts to solve the mystery of who stole Niko's cookies.