Given the fact that this is a 10 minute OVA, you'll please forgive me if this isn't a long review. That being said, Hoihoi-san is a fairly unusual story about little robots that have been manufactured to kill bugs. Definitely unique in its premise, so it made for an interesting watch. Due to the length, we know barely anything that's going on except that two kinds of these robots are battling each other, as well as the bugs! A fair amount of comic relief is thrown in, and one actual character is introduced, but not much besides that. This definitely seems like it was an intro (perhaps for the game/s) and should be viewed as such, not as a complete storyline. Going along with that, there is no real ending per say. In the year 20XX, insects have developed immunity to every kind of insect spray. To counter the incredible rise in insect numbers the Japanese government developed tiny extermination robots code named "Hoihoi-san". The popularity of Hoihoi-san units rises not only as a night time extermination unit, but for doll collectors as well! However, when a rival company introduces its own tiny extermination robots a new form of corporate sabotage begins, as they target not only the insects, but all Hoihoi-san units themselves!
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My fav genres include sci fi and horror, but you'll find a lot of obscure reviews from me too, given I watch a ton to add to the database. My new reviews are written a lot better than my old ones, so when in doubt, sort by date! ^_^ Enjoy, and I welcome any and all feedback.