Ever since Hihi, the youkai, learned tennis from a human, he's been enraptured. An athlete he trained even reached fourth in the world. Bored with training monkeys to play, Hihi decides to train an athlete to win the gold medal at the next Olympic games. Excited, he heads into town and runs across Mana's friend Yuumi. The two hit it off, and right away start intense daily training, but soon crack begin to appear in their relationship.
If you're such a good coach,
then hone your player's strengths...
إن كنتَ مدربًا جيدًا، فاصقل
...نقاط قوة لاعبتك
Als Toptrainer solltest du
die Stärken deiner Schüler …
Un buen entrenador
 potenciaría sus puntos fuertes.
Un buen entrenador
potenciaría sus puntos fuertes.
I coach celebri fanno anche in modo 
di sviluppare i pregi delle atlete...
Se fosse um técnico tão bom,
melhoraria as forças da sua jogadora...
Если ты хороший тренер, то
отточи лучше её сильные стороны.