JUQ-275 Son's best friend

He lost his father at a young age and lived with his mother all his life. My mother is busy with work every day and after school, she always spends time at her childhood friend Kenichi's house. Dad Kenichi always listens to my concerns, even when I'm sad or in pain. He was kind to me, like a real father. Then one day, 5 years after growing up and marrying Kenichi, an affair was discovered. While drowning in loneliness, what appeared in my mind was Kenichi's father's gentle face...