Lost Girl wa Koi wo Suru

Synopsis

Hiromi was born into an ordinary family and grew up under very ordinary circumstances. Working in a medium-sized company, she hopes that she'll be able to attain some sort of happiness. With a fear of being excluded, Hiromi doesn't know how to interact with her colleague Katsuma. But in order to help things along, certain circumstances allowed Hiromi to enter his home...?! (Source: Day of the River)