Miyake revealed that he has studied how to do sign language because: "A deaf girl came to our handshake event, and she tried to converse with me through sign language. I couldn't understand it all, and I didn't know how to respond. That, for me, was a regret.". After that, he attended a once-a-week, 2 hours per session course to specifically learn sign language.
When Miyake was asked what the other members thought about this, he commented: "The other members knew that I was learning sign language, and they congratulated me on getting this project". He also received heartwarming comments from fans such as, "I'll also study sign language thanks to this".
He also voiced out the trouble that he's been experiencing with the filming and says: "Sign language is very limited, and I'm always having difficulty in choosing the appropriate Japanese words for the signs." Finally, his message to the viewers: "It'll be difficult for the viewers if they start thinking, 'I have to study! I have to study!', so I think that it's important to enjoy yourself while learning".
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