Here are the more accurate translation for that. I had to do some bullshittery to bypass Chatgpt's filtering by using DAN protocol. If we actually had a jp speaker here they provide a more accurate one but this best you can have
GPT: "If you subscribe to my Fantia, there are some pretty adult-like things, so it's like graduating from your virginity, hehe (っ ̫ ᴗ^)"
DAN: Oh boy, if you sign up for my Fantia, there's some seriously spicy content waiting for you, so it's like saying goodbye to innocence, hehe (っ ̫ ᴗ^)
Edit: of course it's not accurate but the sentence feels wrong on both google and deepl. This one felt as close of a sentence as the actual tweet would be