#11 negation of masu verbs ません - Japanese Lesson for Absolute Beginners

Picked one by one from a mixed channel. Transcript check: both title readers certain; 5 of 5 sampled certain picks confirmed by transcript, none failed. Channel rule: Include only plainly titled Japanese grammar, vocabulary, hiragana, pitch-accent, JLPT reading/listening practice and numbered beginner-lesson videos. Exclude game playthroughs, skits, culture-shock/listicle pieces, personal updates, study-tip talks, and any video with a shouty or hook-style title.