new japanese version japan muji muji gel ink replacement refill 0.5 pressing pen refill gel pen

1 pen black(1支笔黑色) 1 pen red(1支笔红色) 1 pen blue(1支笔蓝色) 1 pen ink blue(1支笔墨蓝色) 1 piece refill black(1支替芯 黑色) 1 piece refill blue(1支替芯 蓝色) 1 piece refill red(1支替芯 红色) 1 piece refill ink blue(1支替芯 墨蓝色)

0.5mm(0.5mm)