Awayuki No Namida summary:

A girl named Ritsuka has a unrequited love with a boy called Fubuki with an older girlfriend. But when they met coincidentally, Ritsuka confessed to Fubuki forcing him to tell her about his secretive past.In other words, a romance oneshot about a girl and boy.From Baka-Updates:Ritsuka, who likes to watch the snow as it falls, has an unrequited love for Fubuki, who lives with an older woman. Ritsuka and Fubuki fall in love, but Fubuki still has past debts toward the older woman, who was his dead brother's fiancee.