Kyochuu Rettou

First and most importantly: skip this OVA and watch the movie instead, since this OVA is literally the same as the movie (this OVA starts at the scene roughly 15 minutes in).

Not much to review about this. It's basically a gory, insect-rape doujinshi and it's pretty bad, even by that standard. With too much focus on awful cliched characters and a story that isn't even explained, unless you read the manga prior to watching, you're in for dull character interactions and several shots of insect rape/gore. It's harder to care about the story or characters when you get dropped in mid-story and it ends with ... a cliffhanger to the next scene.

In short, if you're interested in watching this for a story, skip the OVA and just watch the movie. If insect rape is your thing, there are a few short scenes for your viewing pleasure. Either way, I don't think it's worth it.

Oh this is just delightfully abysmal, another generic surving anime for the surprise of everyone! but i don't know what could possibly be more more legally blind that adding a lot of shock value involving insect sex.

I mean obviously the animation is lazy as a bootleg mobile game and the characters are so stereotypical that they grow, age and progress through the story like a rotten apple, so what's the story about? Well it's basically a teacher and some high school students that survived a plane crash and they are ended up in a extremely generic island inhabited by giant insects and..... that's it!

This ... anime didn't have to tell us a more complex story, it didn't have to be funny or entertainming in any way, it didn't have to deliver some educational scenes explaining the insects or even being mature!, all it had to do is just being shoving in your face overuse of characters being killed by the giant insects in a disgusting way just in the sake of making "fanservice" and after 22 minutes of more insect sex and deaths. Unsurprisingly the Island of Giant Insects was cancelled one single episode.