Saw the Yoseka Pentel Energel Philography and wanted it to write green! Swapped the refill for a Zebra Sarasa vintage series green black in 0.5mm.

Two of my favorite #FountainPen and #FountainPenInk combinations!: TAG Stationery’s Usururi <EF> with Ink Institute Cat at Dawn. And Pilot CH 912 <PO> with Kala Qingshui Cliff.