Helper Voice, which is medicine, improve user's high-pitched tone. When we go to a karaoke, it is useful thing! isn't it? You must be shamed if you breakaway your voice. Anyway, to prevent this accident, you got to take this medicne.
I really want to give a good voice. I'm bad singer. I have terrible experience about breakaway voice. When I was young, I went to karaoke with my friends. and I sing a song which is 애인있어요. As you know, it's very difficult song to sing. Naturally, I lose my voice! At that time, I swear my self that I will never go to karaoke. As a result, it is a reason why that I will invent this medicine. It can be useful thing for our humanity!
I think lots of people would pay a lot of money for this invention!
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