Mako Sakaoka's "Oniyaku" series, volumes 21-30. - Author: Mako Sakaoka - Series: Oniyaku - Language: Japanese - Genre: Literature/Novel Thank you for viewing. These are used items, so there may be scratches, yellowing, and other imperfections. Please check the photos for details. Please refrain from purchasing if you are sensitive to these issues. ☆ When shipping, only simple packaging will be used, with measures taken to prevent water damage, but without bubble wrap.