A two-book set explaining weight loss methods by doctors. - Title: Doctors Recommend Stretching Diet - Author: Manari Sato (Sato Internal Medicine. Aoyama Clinic) - Publisher: Shodensha - Published: 2009 - Price: 760 yen + tax - Contents: A diet method that costs no money, can be done anywhere, and is extremely effective. - Title: Home Hospitalization Diet - Author: Makoto Ohno (Professor, Graduate School of Japan Sports University) - Publisher: Shueisha - Published: 2005 - Price: 660 yen + tax - Contents: A method of improving lifestyle by utilizing home meal delivery services and living as if "hospitalized" at home. These items are stored at home. Indeed, I lost 5 kilograms just by being hospitalized for two weeks last year. I thought I might be able to do it at home if I used meal delivery services. There are no folds, tears, or writing. Thank you for looking.