[Touhou LostWord] vs C3 Remilia DS - Purple Heart Farm (▾20 SP, 3T) - (

Character set-up at 0:09. Combat at 0:44. Turn-by-turn transcript in description below.
Youmu will find a way to serve Yuyuko no matter what... Even if they're from different universes. Speaking of this Beach Yuyuko, she seems to be calling for me to try some more sushi rolls with her. But last time I ate with her, I fell asleep on her lap... Should I go anyway?
The vs C3 Satori farm I'm using: • Touhou LW: DS VS C3 Sa...
☆☆ Rules ☆☆
Red - III, IV
Blue - I, II, IV
This is a Lv90+10 Purple Heart farm comp.
☆☆ Character Set-Up ☆☆
[E1 Koakuma RE] 》-----《 [C3 Yuyuko]
[L80 Youmu]
[C3 Yukari]
E1 Koakuma: 5* MLB Rebirth - Purple Heart, Rank 5 - 10/10/10
L80 Youmu: 5* MLB - Purple Heart, Rank 4 - 10/10/10
C3 Yukari: 5* MLB - Purple Heart, Rank 5 - 10/10/10
C3 Yuyuko: 5* MLB - Purple Heart, Rank 4 - 10/10/10
Koakuma has Yin ATK & DEF superior enhancements.
All others have Yang ATK superior enhancements. Yukari also has Yang DEF buffed.
☆☆ Story Cards ☆☆
E1 Koakuma - Yin Hard*, Yin Hard*, Yin Hard*, Yin Hard*, Secret God of Sky
L80 Youmu - DST, Agi*, Ability Cards, Agi*, Running Late
C3 Yukari - Yang Hard*, Silver Gale, Yang Hard*, Yang Hard*, BSG
C3 Yuyuko - BSG, Yang Slice*, Yang Slice*, Yang Slice*, BSG
Notes:
- Youmu doesn't really... need anything in SC2 or SC4.
- Fairly sure Myouren Anni works on Youmu SC1 for Party SP. Yuyuko will replenish party Crit ATK for T2.
☆☆☆ Strat ☆☆☆
Turn 1:
Koakuma - Graze thrice, use skills 2-3, 3p LW
Youmu - Graze thrice, use skills 1, 2p SC1 on Flandre
Yukari - Graze thrice, use skills 1-2, 3p SC2 on Flandre
Turn 2:
(Use Koakuma skill 1, Yukari skill 3, switch out Koakuma)
Yuyuko - Use skill 2-3, 3p SC1
Youmu - Use skill 2-3, 1p SC3 on whoever
Yukari - Graze once, use skill 3, 3p LW
Turn 3:
Yuyuko - Use skills 1, 3p LW
Youmu - Graze once, 3p LW
Yukari - Graze thrice, 3p Spread Shot
Duration: 84sec (no exhaust) / 85sec (exhaust)