I don't think they would be acting like this without a reason though.

[ He is surrounded by his beautiful pony children and there is warmth in his heart, but it is tempered and sorrowed by their reaction to his friend. This isn't the reunion he had hoped for.

One of the hippocampi snuffles curiously at his hand, and after a moment, lets Yusuke run his hand down its mane. ]

Did Akira do something to offend you? [ The horse whinnies at him. ] I am certain he didn't mean to...