Bocchi no Boku ni Kyousei Kanojo ga Yattekita

Bocchi no Boku ni Kyousei Kanojo ga Yattekita is a Manga/Manhwa/Manhua in (English/Raw) language, ROMANCE series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

On my 24th birthday, I came home to find a woman who wanted to be my girlfriend! As a "loner" since junior high school, I was confused by all this. But the truth is she is my mother's junior at work, and my mother asked me to!? A pseudo-romance between two people with the same interests has begun!