This is a set of four books by Meri Kanzaki, a relationship columnist. The books are in good condition. Please check the images for the condition of the items. • The Secret "Mesuryoku" LESSON: Get pursued, confessed to, and proposed to in seconds by your true love! • "Magic 'Mesuryoku': Say goodbye to "relationship hell" and "dating fatigue"! Make your "last love" the "best marriage"" • Four Habits of Women Who Are Always Loved by Their "True Love" • If you know "instinct," you won't be swayed anymore! The Man's Manual: Before Romance & Dating Thanks to these books, I was able to meet someone great. Highly recommended for those struggling with relationships.