Kaori Mizumori "Flowers Blooming in Water: To Lake Shikotsu" Two-color ballpoint pen set The ink inside is black. I'm organizing my house. Stored without use. It's unknown if the ink works, but it might be possible to replace the ink. Stored at home. I have a cat. Please refrain from purchasing if you are concerned. Instant purchase available. Item Name...Memo paper/Stationery