This is a Tombow ballpoint pen. The ink flows. *Please note that even items listed as new and unused may have scratches, scuffs, or dirt due to long-term storage. We appreciate your understanding before purchasing. For unopened items, we cannot confirm their operation, so please understand this in advance. Specifically for ballpoint pens, the ink may not flow. If you wish to check the ink, please leave a comment. We cannot guarantee the ink. Before purchasing, please check your profile. Many of the items I have for sale are stationery, such as writing instruments. Please feel free to browse my other listings. All items are available for immediate purchase. If you wish to check the condition of an item, please leave a comment. We can also add more images. We offer discounts for purchases of sets or bundled items. Thank you for your consideration.