Reincarnation Coliseum, Vol. 4 (manga)

In preparation for the tag-team match, anticipating their opponents, Mikagami gives Mary special training in skill combos. But their opponent, Musashi, is way stronger than they d ever planned for, and the relentless assault of her heavy blades drives Mary into a corner. Mikagami tries to weather her attacks and buy time for Mary, but when he finally sees a chance to turn the tide, for some reason he hesitates to make his move ?!