First, Bossun and Tsubaki partner up for the first time to work on a project, but together, this brother duo is highly combustible! Later on, Tsubaki meets Bossun's family and has the chance to see his real parents for the first time... but does he want to?
Um... "National High School Choir 
Competition Participant", so...
Concurso nacional de coro, o "Zenkoku 
Koukou Gasshou Konku-ru" sería...
Esto... "Participantes de la Competición 
Coral Nacional entre Institutos", así que...
Hm... "Participar da Competição
 Nacional de Coral Colegial", então...