Yeah that's about right. The "supernatural" or "knot of Fate" subplot(or gimmick idk) went to her plotline a lot even tho she have not had another arc yet.
Yae is real nice but to me it's more of a "bigsis-slash-childhood first love" trope than actual soulmate. Asahi is just lilsis'ed. Yuna will prolly get a confession arc or all 4 tying some real "familymates bond" knots.
Oh well another childhood friend lost while sabotaging herself with the first move, shirahibros we move