Yes, there was that chapter where Chikage turned all the animals into humans and vice versa, and Tohno was shown to be a girl.Wasn't Tohno a she?
In the old days Airantou is completely devoid of any modern technologies, the only thing Ikuto had was his Gameboy Advance. Smartphones and Camcoders were only introduced after Misaki forced her way into the island.H mm, when I first read this series, were there smart phones in earlier chapters?