Wonder if anybody's reading this? It's by the author of
Usagi Drops.
Synopsis: Through his hobby, which is exploring (peeping?) through the spaces in-between, Heisaku-kun ends up falling in love with his neighbor, Fumio-chan. However, it turns out that Fumio-chan has also been spying on Heisaku-kun all this time. Will this uncontrollable pair’s hidden love ever be realized?
It's being scanlated by
Stiletto Heels.