Talk:Duetto Megurine Luka/@comment-4022888-20160603084414/@comment-27144707-20160603184435

Yes, unfortunately Luka is only summonable as a 5-Star Unit, making her twice as rare as the other VOCALOID Units. I've been trying to get her since the VOCALOID Summon reopened, but she and MEIKO are the only ones I haven't pulled.