a LOT exists, it's hard to figure out what's best for you specifically because one thing might work for someone and it might not for you - try seeing how non-japanese people study japanese as well. it really depends on how well you learn. for example, if you're more of an auditory learner, you can just go to yt and search up "japanese children songs" or something beginner-friendly and start picking up the language from there. you could also try watching japanese shows with subs until you're comfortable with.
Hannah : おはようございます!今日来てくれてありがとうございます!
Bob: どういたしまして!お名前は?
Hannah: Hannah (or はな) です! よろしくお願いします! あなたこそ、お名前は?
Bob : Bob (or ボブ) です! 昼ご飯は何を食べますか?
Hannah : 私はピザを食べます。あなたは?
Bob: カルボナーラにします。 飲みものいりますか?
Hannah : いいえ、いりません。あなたこそ、飲みますか?
Bob: はい、 レモネードを飲みます。
Hope this helps! You can change the names, obviously.
You should probably look it up. Or maybe it’s not a thing I’ve never heard of it.
난 네가 필요해
nan nega pil-yohae