Since so many of the harem animes are the same generic thing over and over, why not have fun with it by making up a bingo card and playing along while watching? If an event happens, you get a stamp on your card:
- main character sounds like Kyon from Haruhi
- main character has a little sister
- main character has no parents
- main character has a childhood friend who cooks for him
- the school has an ojousama in it
- the school uses bloomers
- main character trips and his hand lands on someone’s breast/butt
- someone lands such that their crotch is in the main character’s face
- main character gets a nosebleed
- episode is a beach trip
- episode is a summer festival
- episode is an onsen visit
- episode involves bathing suits for no apparent reason
- little sister has a crush on her brother
- breasts have that official *squish squish* sound when they’re groped
- someone does the “oh ho ho” laugh with their hand in front of their mouth
- someone says “this isn’t a house…it’s a mansion!”
- episode has a Ruri-type (aka expressionless loli)
- episode has a hyper energetic girl
- the magical can of coffee is used to solve a problem in the episode
- main character has a stash of porn mags discovered
- someone finishes everything on the table despite the food being awful
- main character is indecisive and annoying in general yet has a harem (this is pretty much a freebie)
- main character walks in on someone in the bathroom
- main character walks in on someone changing
- You are pretty much aware of what color underwear all of the female characters are wearing