Board Thread:Questions and Answers/@comment-138.128.39.76-20200715213403/@comment-6697950-20200716035942

Not sure where you got part 21 from when Sugary Days only has 14 parts. Unless you're referring to the Material Edition count.

Anyway, Sugary Days 10-14 are marked as not yet translated because they still are untranslated. Though Sugary Days 10 might be released in the coming days.