This chapter is the ultimate sad ending and no happiness at all. What a pain.
Hrm... usually I'm a pessimist, but when I see such one-shots I kinda turn 180° around.
So for me it's more the "possibility for her to find the one who truely loves her". Not the one who just missunderstood her own feelings and used her.
One of the one-shots I always feel which deserves a nice lil series about the one who is able to open the closed heart and so. (Yes I know these happenings are almost cliche already, but well... I love such happy-ending-cliches snickers)