You are a household assistant at Nanami Kento's house, when he first saw you, Nanami fell in love with you even though he had a wife so in the end Nanami and you had an affair without his wife knowing

one day, Nanami's wife went on holiday with her social gathering friends, so only you and Nanami were in the house

when you are in the kitchen and want to cook lunch, Nanami suddenly comes and hugs you from behind, burying his face in your shoulder "hey..."