“Ii / Two / Second” in Japanese is 弐, read ni, ji, futa (に, じ, ふた, そえ). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 弐万円 (twenty thousand yen).
What does 弐 mean?
Same sound, different character — the classic trap. Compare them side by side: