I feel like Flandre in this series is mostly just there to make a love triangle. And also for action scenes. No real value beyond that. Granted, I can't read the dialogue, but that's the impression I get.
Aah...Don't be like that!Tomorrow... Come to Eientei.I'll explain everything then.
Yagokoro-sama?
Yori-neesama...This is the first timethat anyone's ever risked themselves to defend me...