@Kremenala First time seeing a random brainless person, probably you, being open about it tho.
1. The older girl (Saya) does hold back from any sexual act with the younger girl (Maho)
2. They have a pure affective and loving relationship
3. Maho eventually ends up marrying Saya so she doesn't even have a change of heart
Where is the problem ? The older girl isn't particulary attracted to younger girls, there is no sexual intercourse. So maybe you should use your brain, if you do have one, before you condescend to those who simply enjoy the cute side of the story.
You're just pathetic, and I'm not even saying that no one cares about your opinion and that haughty attitude of yours.