Mobile Suit Gundam SEED HD Remaster
PHASE-14: FLIGHT TO TOMORROW
S2 E114:
In the wake of the assassination attempt on Lacus, Kira and his friends realize that they have been targeted by the government of the PLANTs. Kira then receives a letter from his sister Cagalli, in which she tells him of her intention to marry Yuna and asks him to return Athrun's ring on her behalf.