Ichigatsu ni wa Christmas
Christmas in January
1月にはChristmas
Nobumasa is a boy who works part-time in a shoe store, where he meets Mizuki, a girl whose abusive family life has left her unable to trust other people. Meanwhile, Nobumasa is unaware that another girl, Seiko, has a crush on him but is unable to express her feelings.
(Source: The Anime Encyclopedia)