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.
I don't want to admit it,
but it looks like my way...
،لا أريد الاعتراف بالأمر
...لكن يبدو أنّ أسلوبي
Ich geb’s ungern zu, aber meine Methoden …
No quiero admitirlo, pero
tal vez sí que esté anticuado.
No quiero admitirlo, pero
tal vez sí que esté anticuado.
Je ne voulais pas l’admettre,
mais regardons la vérité en face…
Non vorrei ammetterlo, 
ma come temevo il mio modo di fare
Eu não queria admitir,
mas parece que o meu jeito...
Не хочется признавать... 
но, кажется...