My Beloved Mother-In-Law Who Raised Me Single-handedly Was Taken Down By A Worst Friend... Marina Shiraishi

I like my mother, Marina. This is because Marina is not her real mother, but the woman she admires because her father remarried and became a new mother. After my father passed away, she raised me on her own. I wanted to repay such kindness to Mariana-san, and at the same time, I had more feelings than my mother. However, his dream is stolen by his best friend, Yuzuru. While saying that he supports the relationship between me and Marina-san, Yuzuru, who became jealous of that relationship, quickly approached Marina-san...