Shoujo-ai Anthology. Like Hirari and Comic Lily, this collection gets very little attention from the yuri community.
(Source: Payapaya Scans)

Quiet, sweet story of an emotionally shuttered university sempai and his conversationally clumsy junior. Sharing the same last name and a love for classical music brings them together a little. But will this be enough to bridge the gap between the sempai's secret sorrow and the junior's awkward naivete?