IS Infinite Stratos – OVA
「恋に焦がれる六重奏」 (Koi ni Kogareru Rokujuusou)
“Sextet Yearning for Love”
If the finale back in spring didn’t seem conclusive enough on who won the harem war over Ichika’s heart, then this OVA should definitely clear up any confusion.
Update: Added live performances from the IS One-Off Festival. HD caps uploaded too. Force a browser refresh (Ctrl+F5) to see them.