When missing a girl for the first time, the message you give her should be genuine, sincere, and respectful. Here's a suggestion for a thoughtful message:
"Hey [Her Name],
I hope this message finds you well. I just wanted to let you know that I've been thinking about you a lot lately and missing our time together. The moments we've shared have been truly special to me, and I cherish the memories we've created.
I understand that life gets busy, and we may not always get the chance to see each other as often as we'd like. But I wanted you to know that you hold a special place in my heart, and I genuinely enjoy your company.
Whenever you're free and if you're up for it, I'd love to meet up or talk on the phone to catch up. But no pressure at all – I just wanted to express how much I value our connection.
Take care, and hope to see you soon.
Warmest regards, [Your Name]"
Remember, it's essential to respect her feelings and boundaries, and understand that she may have her own reasons for being busy or not responding immediately. The key is to be considerate and honest about your feelings without being overly pushy or demanding. Communication is vital, and expressing your emotions in a kind manner can strengthen your bond with her.