オプショナル
Noun
1.
optional
ANIMATION
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Track your mastery
Kumi's KMT system will track your mastery across kanji, vocabulary, grammar, and reading. Create an account to join the waitlist for 220,000+ concepts.
Noun
ANIMATION
Stroke 0 / 15
Kumi's KMT system will track your mastery across kanji, vocabulary, grammar, and reading. Create an account to join the waitlist for 220,000+ concepts.