When she is turning into her vampire form, nipples can be seen.

There are many innuendos and discussions about girl's panties, "tits," etc.

Characters, both male and female, grab clothed breasts and squeeze them many times.

One character rubs her clothed breasts on a boy's chest almost every episode.

A teacher gives students long dominatrix-themed "study sessions" where she pumps them full of knowledge. These scenes have extremely sexual overtones.

Multiple characters want to have sex with the main character, creating situations where they throw themselves on him and make sexual suggestions.

This all involves teenage high school girls age 16-17, and one of who is 11 or 12 years old. She is openly bisexual, very touchy-feely, and interested in sex. Thist is played off as relatively normal behavior.

This anime is nowhere near as violent as other animes like Future Diary, High School of the Dead, or Deadman Wonderland.

Every episode has at least one battle. The fights range from comical to mildly serious. There are sometimes bloody noses etc. as a result of fighting.

The words shit fuck or even Goddamn might be used in the subtitles if watching the subbed version.

Shit is said occasionally but it's rare and unlikely.

Moderate profanity is used, including shit, bitch, bastard.

In a few episodes the bus driver is seen smoking a cigar.

In episode 22 Ms Nekonome is shown drinking a beer.

Relatively little