Just a twig

Hi all, for this eps Toni and Tiro was joined a event and both have happy with the event, after that Toni and Tiro decide to back home and on the way home, Toni stepped on a twig and he impressing with that twig and he start to imagination with a twig, Tiro felt strange with Toni and he decide to back home first but same like Toni on the way home Tiro also stepped on a twig, so what happen after that, always following this comic and get the answer