Thank you for viewing! [Product Description] Relive Cotton Long Sleeve Plain Shirt - Unisex [Color] Black - Discreet shipping! - Brand new, unopened! - Immediate purchase OK! Shipped brand new and unopened. Regular price: 8800 yen/piece (tax included). This is the magical shirt that appeared on the popular YouTube show "Reiwa no Tora" (The Tigers of Reiwa). [Patent-pending] This magical shirt enhances your natural physical function just by wearing it, improving muscle strength and flexibility. It was developed to reduce the burden of caregiving and heavy labor. [Amazing Effects] In wearing experiments conducted by a third-party organization, back muscle strength improved by an average of 38%, and flexibility improved by approximately 6cm in forward bends. We have received positive feedback from caregiving professionals and athletes. Over 95% of people experience the effects just by wearing it. *Individual results may vary.