ならずもの恋慕

Narazumono Renbo

Tsumugi is a young girl living alone, burdened with the debts of her dead mother. One day, while being chased by debt collectors, she is rescued by her neighbor, a handsome young man named Zen. In fact, Zen is a yakuza boss, and he secretly has feelings her― (Source: Kurage Bunch, translated)