Normal chatbot, but the response chat will be translated to japanease and spoken by a character from voicevox which is a popular text to speech software. Also chatgpt will generate options to its own response while voicevox is playing the audio file. Api key to voicevox is free to get it head over to https://su-shiki.com/api/ and fill out the form. For chatgpt the first key should give you free trail of 5 euros worth of tokens. As for deepl you just have to create an account to get.