質問: how do you say this in japanese? but is it okay for me to come? (casual) how do you say this in japanese? but is it okay for me to come? (casual)
回答: when you're in that place, でも、わたしが来るのは大丈夫?/大丈夫なの? when you're not in that place, でも、わたしが行くのは大丈夫?/大丈夫なの? they are casual, and 大丈夫なの is women words.