クズの幼馴染に彼女を寝取られたけど、あいつの溺愛している義理の妹と母親が償ってくれるので許してやることにした (Associated Names)

One day, Sasamiya Takumi saw it. His beloved girlfriend was hugging his childhood friend in the house next door…the girl of his dreams, on whom he had had a crush for many years. Despite the fact that his childhood friend knew this, he slept with Takumi’s girlfriend. Of course, Takumi was furious and yelled at…