Suggested Age:14+ (with caution! see review below)
Year Released: 2015/2016
More info: https://en.wikipedia.org/wiki/Noragami

Note: This is a review of the Funimation English dub version of Noragami Aragoto. Also, this review does not include the OVAs.

Violence / Gore:
Noragami Aragoto is similar to the first season of Noragami, although the theme is a bit darker. Due to this, the violence is a little darker as well. This anime has quite a few fighting scenes, but they are not always bloody.
-Here are the instances that were bloody: There is one point in which a monster is cut out of someone's back and there is some blood. One character has his hand cut off and some blood is shown. Blood drips down a character's face after he is cut on the head. At one point, blood rains down from the sky and splatters on a few bystanders. A character explodes in a sudden splash of blood, leaving nothing behind.
-For non-bloody violence (other than the generalized phantom-fighting):
Phantoms that are made of water and resemble females are sliced in half. A woman starts to get eaten alive by monsters (not too graphic, and it isn’t really shown because the monsters are in the way).
Some characters are shown being choked to death... Spoiler: They are regalia and it is during their transformed weapon form. The weapons are being choked, and thus the regalia are demonstrating that in their phantom forms. This was a very brief scene.

Nudity / Sexual Content:
Noragami Aragoto definitely had a few more eyebrow-raising points than its predecessor when it came to sexual content. That said, I do not recall any of the fanservice-driven moments having been overtly sexual in nature. In other words, the characters are never shown to be thinking perverse thoughts while this stuff is going on.
-With that in mind, here are the sexual content details about Aragoto:
When Hiyori is fighting, sometimes her undies are shown while she is flying through the air.
There are a few instances in which an unclothed girl (or monster that resembles one) is shown from the side. One girl is shown getting in a pool - in some way or another the most important bits are blurred out, but basically her entire outline is shown.
A girl is shown stripping down in front of a guy. Spoiler: She was showing the guy that she had been blighted. Her rear end is shown. Later, a guy strips in front of a bunch of ladies. This is mostly off-screen (and did not happen in a sexual way). Spoiler: He was showing that he had not been blighted.
There are female phantom-like creatures that seem to be made of water - they have uncovered chests but they are not completely detailed.
Bishamon's outfit in the first half of the season does not cover her very much (basically a bikini top). It's the same outfit she wore in season 1.
---Now, let me pause a moment to say that if you personally struggle with content like this, do not watch this anime. If such things take you further away from your relationship with God, it is not worth the risk to watch this, or any anime that you are questionable about.

Potentially problematic theological themes:
The plot of this anime revolves around magic/ gods (lower case). They have shrines, and visit a different realm reserved for gods. Sometimes these gods are prayed to by people in the anime. The gods are capable of murdering humans, and sometimes do. Their reasons for doing so are not always clear. Still, it seems that most of the gods want to help humans, not hurt them.
One character proclaims that, "everything a god does is right.” At the moment, he seemed serious – but it is definitely shown that the gods in this anime are capable of making mistakes, and are sometimes punished for them.
The "heavens" appear to rule over the "gods" in Aragoto. The "heavens" have the power to kill a god if they see fit.
There is reincarnation upon death for most of the gods in Aragoto. This is a major theme throughout the second half of the season.
All that said: if your mind is in the right place, this is a good anime to watch to understand the religious views of Japan (I’m including the original season in this remark).

Other potentially problematic themes:
Minor swearing. To be specific, a handful of instances in which the d-word is used, and one instance each of a** and h*ll.

* Personally, I found Noragami Aragoto to be a fantastic anime. The plot moved at a perfect pace, and it kept me guessing. I was intrigued by the characters, and the art was great, too. Yukine really stood out to me as far as character growth, but he wasn't the only one in this season who experienced it. And it was brought about so well! This anime left me wowed. I had not been expecting it at all. And the last few seconds after the final ending theme song… WHAT?! Woah.
However (ah, I have to say it)... I could not give this anime a 10/10 because of the fanservice. While I do appreciate the fact that the characters themselves were not acting perversely, the fact is that there was still content, and it was harder to ignore it than in the first season.

Violence: The violence is a tad bloodier than season one, though it isn't over the top by a long shot. Many deaths occur, though most of it is off screen. There is quite a bit of fighting.

Sex and Nudity: There is some partially nude women in the context of doctor's appointments. A girl is shown in her bra, a guy strips in front of a bunch of girls (he's reprimanded for it). Spoiler: They're all either being examined to see if they have a disease that grows on their skin or showing that they have it. Bishamon is shown in the bath, with hair covering her chest. Bishamon is also shown wearing the bikini-miniskirt combo she was wearing in season one. Unlike in season one, she only wears this for about the first third of the season.

Theological Themes: The heavens, where the gods live plays a huge part in this season. The gods are shown to have a grand council, and they can dispose of other gods as they see fit. Gods can also die, either at the hands of other gods or Spoiler: when humans cease to remember them. Powerful gods can reincarnate after death, which becomes an important plot point later on. The underworld also plays a part in this season as well.

Problematic Themes: I'm pretty sure Yato is shown drunk at one point, and adult characters are shown drinking. There was minor swearing.

Overall: The writing for this season was impeccable. The story was amazing, and the character development is perfect. This anime actually has one of my favorite character arcs ever. There is growing darkness in the world of Noragami, from the dark conspiracies beneath Bishamon's seemingly idyllic halls to the mysterious missions and dubious goings on in the heavens. It's so, so interesting.

The new characters introduced only benefit the story, and the existing characters all develop nicely. I could rant for hours about the character development. While Yukine took center stage for the character development last season, Bishamon takes the spotlight here. Now she's one of my favorite anime characters period. I will also give a shout out to Kazuma, who was just lovely and a new character, Ebisu, who was very impactful.

Important bits of backstory are revealed, as well. We finally get to understand why there's bad blood between Bishamon and Yato.

I just hope this isn't the end. We need a season three! There's a reason this is one of my favorite anime ever.

Same as the first season, older teens and up for partial nudity.