hatsukoi

Bungubox Hatsukoi Sapphire is a vibrant blue ink celebrated for its exceptional shading from deep blue to turquoise tones, making it stand out among blue inks. Produced by Sailor for the Japanese retailer Bungubox, it offers good flow, subtle magenta sheen in tests, and behaves reliably on various papers. It suits enthusiasts seeking a vivid, shading-heavy ink for writing and artwork, though it has low water resistance.