Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Sports and Physical Education
This is taught by the very popular stretch YouTuber who has 250000 subscribers to the channel! The series video "Super Hard Series" which is very popular among the channel viewers is finally published as a book with a new stretch. It is a stretch that will not hurt your body and will make your body soft no matter how hard. It is not a dream to open your legs!