Both Syren de Mer and her stepson are ‘comfortable’ and intimate with one another that night

Taking the role of a stepmom Syren de Mer is presented as a loving and sensitive woman who tries to comfort her son when he is worried. Where I expected Your Name and Shinatami Futagoya to be playful with each other, they quickly turn into a hot 69 and display the passion these characters have(Time kilometer, 63:00-64:00).