Your original message is mostly clear, but it could be rephrased for better clarity and flow. Here’s a rephrased version:
"Thank you so much for going out of your way to bring a smile to both my sister’s and my face. You still love us this much? 🥹 We love you right back and we miss you! Ben!!! How can I ever thank you enough? My sister just let me know that you credited my Opay. I’m truly grateful for your kindness."
Alternatively,