Just watched it. I'm not surprise there are fanservice, the anime is an adaptation from a H-game with the same title, it's a unique game too there are two modes in the game
a blind mode, where the backround is black and white and blurry, and a normal mode where Takuma can see again.
The main reason why Hayami Kohinata is bullied
She's an anti-social till the level she don't want to make friends, and she is extremely afraid of spiders.
And the girl called Otoha is actually a
And Hamaji Yakumo is actually
Oh yeah if you're wondering, Why there are are a couple of man dancing with horse masks in the sponsor screen, is from a feature in the game, there is an emergency button that will make a random image from 100 images appear, and those images are the man wearing horse mask, this is used for a stealth like feature, to make people think that this is not an H-game (hiding the truth).
If you don't want to know, Seriously, don't press the spoiler button!