this is a positive manga, so im looking forward to tsubasa helping his mom resolve whatever trust and control issues she has. he's become very reliable since going to hokkaido.
he may have been with a lot of other people before but its obvious he wasn't happy. they didn't care about him enough to stay with him either, otherwise he wouldn't have to call so many different people to keep him company.
and as for shun, he doesn't somehow deserve her more than dai or...
im sure it must be lonely being a celebrity, when you can never be sure if someone actually likes you or just wants to ride your coat tails. i hope this relationship can be a place for her to relax. i hope these two are revisited later on.
they know they're already dating, just like their classmates and us the readers do. the fact that they still want to have a confession moment they can remember together is very sweet.