Ai wa Jokyoku ni Hajimatte

Sorrel is a mature, sophisticated woman who lives in an expensive apartment in London. Eight years ago, she fell in love at first sight with Ellis. But after leading her on, he mercilessly rejected her. That experience made her wary of people and has hindered her from living a normal life. Though that pain is now in the past, she refuses to fall in love ever again. But then she runs into Ellis... (Source: Renta!)