@R3cko The diamine is a good choice.

My favorite blue/black is the #Iroshizuku #TsukiYo (moonlight night). You may want to check out also their #ShinKai and #KonPeki shades.

My wife did gift me this Pilot Vanishing Point for Valentines day. Just love it.

#fountainpen #pilot #iroshizuku #valentinesday #ink #konpeki