The mock exams are coming up and Shun is worried about his future.  Some of his friends are easy going about the test while others are serious about it.  He feels stuck in the middle without a clear direction.
It's an expression coined 
by Rikyu to express...
Es una expresión acuñada por Rikyu para 
expresar el espíritu de la ceremonia del té.
É uma expressão que o Rikyuu 
criou para expressar