It's Spring break for Karen, and as she returns from her hometown back to Tokyo, she gets a very unexpected guest.

The second Squad Jam is about to take place. This time, Karen’s friend Miyu Shinohara will participate as well. She converts her character from another VRMMORPG and starts Gun Gale Online as Fukaziroh. LLENN takes her to go buy weapons...

LLENN receives some unexpected help during her battle in the dome that results in a change of tactics as she continues towards team PM4. M is surprised to see team SHINC approaching, and Pitohui learns that her ruthlessness can have consequences.

At last, it’s the finale of the Second Squad Jam. LLENN and Pitohui’s one-on-one combat has begun. How will their fight end? Who will win the Second Squad Jam? And will LLENN be able to save Pitohui’s life?