My first boyfriend. He's kind and I feel at ease when I'm with him, and I think I probably like him. However, when my girlfriend's senior suddenly kissed me, I felt it for the first time. I wonder if this is what makes my heart pound. She's cool, but unlike her boyfriend, she's a forceful senior who touches her, and even though she says no, her body becomes numb and hot! ! She was very happy because it seemed like she was recognized by her senior who she admired, and she wanted to become a naughty girl.