Aries: Because you're calling Katsuki Kacchan
Taurus: You're helping him with All for One
Gemini: You protected him at his first day
Cancer: You were letting him win at the sports festival
Leo: You're always there to motivate
Virgo: You were letting him copy at an exam and he passed
Libra: He really loves your personality
Scorpio: You are the first one who is not trying to beat him
Sagittarius: You love All Might so he loves you :3
Capricorn: You were making a birthday cake for him
Aquarius: You beat Katsuki and he thought that you're really cute and talented
Pisces: You gave him chocolate at Valentine's day :)