How are your legs feeling, Tachyon?

Yeaaah...

Carry me back to the academy, just as we are now...

Perhaps you could even call it a 'runner's high'!

I'm back, Trainer-kun♪

All good.

Feeling green across the board.

...Ah, yes!

Huh?

Hn!

Hnn!

And it's even more effective than oxytocin when it comes to relaxing individuals...

Whaaa!?

Which is caused by an increase in the neurotransmitter β-endorphin inducing euphoria, you see.

While there is a theory that endogenous cannabinoids are at work...

One day we may be able to verify things by blocking receptors—

It appears that you can induce secretion of β-endorphin through hugs, you know?

Yet another race to add towards my research efforts!

The fact of the matter is that there are many gaps in our knowledge concerning the effect of hormones on umamusume.