I'm sorry for my late reply. On the day, I will join alone. I'm Japanese and am not good at English. I'm very interested in it and look forward to taking part in it. Thank you.
I apologize for having contacted you so late. For the day’s participation, it will be only me. I am a Japanese person and can not speak English very well, but I am am very interested. I am looking forward to participating. Thank you so much.