【First Generation Model】 Demon Slayer Jetstream 4&1 Rengoku Kyoujurou New, Unopened Made in Japan This is a 4-color ballpoint pen & mechanical pencil featuring the Demon Slayer Rengoku Kyoujurou model. This is the first generation model, popular for its calm color scheme. There are no smokers or pets. ● Please refrain from purchasing if you are concerned as this item is stored at home. ● Cancellations and returns are not accepted to prevent product substitution. ● Initial defects are unpredictable as the item is unopened. Please contact the manufacturer. Demon Slayer Jetstream Aniplex ufotable Shueisha Ballpoint pen Unopened Gift Number of ink colors: 4 colors