Injection Type Asacoco Lose 5% HP every second (until 1 HP remains), but gain 40% damage. Reference to Kiryu Coco

Bird Feather Shoot a bunch of feathers at a spread. Pierces through targets. Nanashi Mumei's starting weapon

Membership Lose 3 Holo Coins per second. If Holo Coins is more than 0, increase damage by 30% and take 10% less damage. Reference to Youtube membership

MiComet A collaboration of Elite Lava Bucket and Psycho Axe. Real business partners. Reference to Sakura Miko and Hoshimachi Suisei

Face Mask Increase ATK by 50% and Haste by 10%. Take 30% more damage. Possible reference to YAGOO

Friend Summon a Friend that uses one of you weapons at random every 5 seconds at 50% power. One of Mumei's personal skills. Reference to Friend