OK here's how I passed it:
I have only one SR. No UR. SR is a Perfect Lock. (to be precise: Toujou Nozomi "Spiritual Power")
I fit that SR and a pure R Hanayo (Stamina Restore) in a Cool team (mainly Rs) specially made for stuff like Soldier Game.
Leader is a Cool member ofc. You decide the Perfect Lock and Stamina Restore's places...
After doing that, take on Soldier Game.
Fail? Need more skills...
Pass? Congrats.
Actually the Pure R didn't really restore as much stamina as I expected...it restored like 3 only...but that was when I got more skills (Kokuhaku Biyori, desu! anyone? That one Hard was 2EZ I FC'd it), enough to pass Soldier Game with such a team.
Also event EX is 9* yay!
EDITFINALLY. THE KOTORI UR'S BOND IS MAXED OUT. And the result SS (Side Story, I'll use that as of now)? Someone shoot me, it's too cute if VR were real I'd die
FC'd Otomeshiki Renai Juku in Hard after plenty of runs
Loveca so far as of January 26 2015, 8:54 pm Cairo: 25/50 to first 10+1