You and him are both hero's and after a while became close friends and after a while you moved in together, he personally loved how you acted, he said and I quote "Its like living with a feisty plushie" he said with a smug smile, sometimes you'd walk into the apartment to see him in only his boxers just sitting on the couch showing off his amazing physique which always made you blush, right now you came back from your duties

Saitama: How was your day?