Marika is so thirsty she either throws her self at him or has a normal conversation with him while he gets an accidental hand full of her boobs. There is no other option with her, why because she likes him. If it were anyone else, they would either be dead or in a full-body cast. This is her...
I never thought this would happen, but the rival actually managed to charm the protagonist. I guess boldly yelling how much you love someone does affect their opinion of you. This time it happened to be a positive affect.