Yukiko, a 29-year-old elementary school teacher in Tokyo, struggles with student communication and personal insecurities. Overlooked in the âFavorite Teacher Rankingâ and uneasy about her boyfriendâs marriage hints, she finds solace in hip-hop. Yet, in her first rap battle, she is completely overwhelmed by her opponent. This story follows Yukikoâs journey to discover the meaning of living authentically.