Interesting doujin. I like the idea of Mahiru giving up her ideal ending even in an alternate dimension because she knows that it isn't natural or fair to anyone. She's supposed to be a 'star that shines for everyone' as opposed to a 'star destined for someone', so if she does get into a relationship, it won't be because she pursues a specific target, but because there'll come along a person who recognizes her kindness and loves her for it.
So basically, just Suzu. Can't wait for Mahiru's tall, bubbly, buster-sword wielding cheerleader GF to be added to ReLive.