2.5-Dimensional Seduction, Volumes 1-23 Complete Set First editions for volumes 1, 4, 6, 9-11, 13-18, and 20-23. The original author, Yū Hashimoto, commented, "Only the determination to earnestly pursue what you love makes a person strong and beautiful." All volumes were purchased new from bookstores. They are in relatively good condition. There are no smokers or pets in the house. Shipping will be carefully packaged to prevent water damage. Please feel free to ask if you have any questions.