This is the novel version of Summer Wars, directed by Mamoru Hosoda. Written by Mr. Kyohei Iwai, the author of Mushi-Uta. ・Stored on a bookshelf with a cover after reading once. ・With obi (sash). ・Not the first edition (third edition, published in 2009). Please refrain from purchasing if you are sensitive to used items, as it has been stored by a private individual.