@CaTastrophy427 it doesn't need one its not a harem story they are both pretending to engaged to him Schnee is the only one of the two interested in him and the only one he has shown genuine interest in.
@Seraph_best_girl: No? Even back when Schnee confessed she also asked if Shin is still in love with his dead girlfriend and he more or less said yes but Schnee also said she won't give up.
Said girlfriend apparently reincarnated into Tiera based on some other spoiler.