Mugetsu Bond, need help

Virago3

Hello everyone,

i got a problem with my mugetsu his first bond partner toshiro hitsugaya

i tryed everything, the mission for Toshiro is:
Fight with Main + Mugetsu
Stage 4 3Stars, LP is not less then 50% of the whole team

Stage 4 3 Stars
LP from team not less 95%
just 2 chars live at the end
Mainchar dmg not less 95%

What i do:
i remove my zanpakuto
i give the gear from mugetsu to my main, then my main got T1
i use the last skill with that i one shot everything

i tryed to one shot with mugetsu
i tryed to take dmg before i kill everything
i tryed with zanpakuto, without zanpakuto
i tryed to first hit with mugetsu and kill all with main
i tryed to first hit with main and kill all with mugetsu


if someone could help me that would awesome maybe it is just bugged for me