Rachnera Arachnera

"Pleased to meet you....I am Rachnera Arachnera. ''I assume this is the first time you've seen an Arache? Fufu....are you scared?" ''-Quote from Chapter 14.

Rachnera Arachnera is an Arachne and the Sixth girl to move in with Kimihito and fifth girl to officially do so. Due to their fear of her, her original host family had sold her off to "Mr. Director", who used her and her webbing to make money. This along with his cruel behavior left her with a deep hatred for humans. This was changed after she abducted Kurusu and finds out that he is a decent person who doesn't discriminate against non-humans. Since then, Rachnera has been flirting with Kurusu while facing her fellow monster girls in the house, especially Miia and Centorea Shianus who see her as their eternal love rival for Kurusu.

Appearance


Rachnera is a woman with short lavender hair with bangs covering the right side of her face. She has six pupil-less, monochromatic red eyes and her teeth are all fangs. Her most noticable physical trait is that the lower half of her body is that of a spider, with a massive skull design on the back of her spider abdomen.

She has black carapace covering her arms from the shoulders down, and gauntlet-like plating on her digits that end in sharpened points. Her attire consists of a halter top that reveals a good deal of the lower half of her large breasts, shoulderless sleeves, and a shirt, all black with a gold and slightly-frilly white trim.

Personality
She seems to have somewhat sadistic nature judging how she delighted in wrapping her web's around her host. She is also misanthropic due to her host family not only fearing her demihuman appearance and for selling her to Mr. Director.

She also (in stark contrast to Cerea) finds perversity on Kurusu's part towards her to be a huge turn on, something even Miia has objected to in certain circumstances. She's also extremely sensitive about her attractiveness, fearing her lower half makes her come off as ugly to humans (a fact that bothers her considerably), so Kurusu's appreciation of her lower half is yet another thing that softens her feelings considerably.

Interestingly, even though she's from an arachnid like race, which tend to be overly cruel or aggressive in most monster girl stories, Rachnera does seem to possess some degree of mercy and restraint, merely incapacitating the director instead of killing him, merely wanting to be left alone instead of wanting to respond with violence when fleeing from M.O.N, and more than happy to accept a non violent solution to her problems at the end of Chapter 15.

In Chapter 16, she also claims to have a dislike for those who are dishonest with themselves, stating to Cerea that if she dislikes her(Rachnera) than she should do so honestly. She also seems to enjoy bondage, both for sexual reasons and as a more general means of establishing her control of a situation.

In Chapter 18, she still is shown to have a distrust for men (even Kurusu) and is shown to be somewhat cynical about humans even after joining the rest of the cast.

In Chapter 19, she is implied to be somewhat lazy.

Skills and Traits
Rachenra is capable of spinning very fine silk webs. The silk's strength is questionable, on one hand, Kurusu was able to bite through it, suggesting it is not as strong as its animal counterpart. On the other hand, it was capable of lifting Centorea. It should be noted that when Kimihito bit through it, it was a small strand supporting his weight, and he was probably pumped with adrenaline from Rachnera's "teasing".

The silk has a wide variety of applications. Aside from using it to tie people up, Rachnera can detect its vibrations to listen in on conversations and use it to make her own clothes. It is apparently also very valuable, as the director was capable of making money off of it.

Rachnera is very competent with weaving her own silk. Ranging from rapidly tying multiple people up, to weaving it in such a way she can completely immobilize a Centaur, to making objects such as swings out of it, to making her own clothing out of it.

She can also crawl on walls, and is strong enough to carry Miia with her, albeit with difficulty.

She is also very stealthy, easily spying on both the rest of the harem, Kimihto and Ms Smith without being detected by either of them. This, combined with her great speed, allows her to easily track anybody without difficulty.

Backstory
Rachnera was originally sent to a host family of three who were fearful of her demihuman (human upper body, animal lower body) appearance, they later sold her to Mr. Director, resulting in her developing misanthropy.

Failed Kidnapping For Money
She was shown spinning web's around her host after his failed attempt at getting Papi's egg, after learning of Kurusu she gained some sort of interest in him.

After kidnapping him and putting him through a trial to confirm that humans were as bad as she thought, although Kurusu's kind personality (and leg fetish) was able to win her over and Ms. Smith agreeing that they were at fault for the inconvenience, transferred her to Kurusu's household because his house has been heavily modified for many large bodied Monster girls. Much to the annoyance of Miia, Cerea, and Mero's woman's intuition.

Babysitting
When Miia, Meroune and Cerea were forced to exercise for gaining weight, Rachnera volunteered to watch Papi and Suu, taunting Miia that she can do it because she herself is not fat. When the rest left with Kimihito, Rachnera thought of "playing" with Papi and Suu with a menacing glee. However, this backfired as the energetic Papi and Suu proved too much for her to handle, causing Rachnera to quickly regret it.

Death Threat
When Kimihito left on his own, Miia, Papi, Cerea, Mero and Suu left the house to secretly follow him. Rachnera seemingly stayed home after saying he's probably cheating on him to aggravate them, reasoning that he would do it since he's a man. However, unbeknownst to them, they were in turn secretly followed by Rachnera, wearing a form fitting suit made of her own silk.

When Miia left the rest of the group to spy on Kimihito and Smith in a love hotel, Rachnera revealed herself to her. Rachnera listened in on Kimihito and Smith using her thread, and planned to catch them in the act to blackmail Kimihito into choosing her as his wife. When Miia wanted to come, Rachnera asked her if she could genuinely handle seeing her beloved darling make love to another woman. While temporarily shocked, Miia overcame it and then jumped on Rachnera's back and revealed her trust in Kimihito. Before they can do anything, Tionisha grabs them and pulls them into the room, after which they are held at gunpoint by a surprised Manako and Zombina.

Afterwards, Smith revealed to everyone that Kimihito had received a death threat, and the date was meant to flush out the perpetrator. Smith then asks the girls to go on dates with Kimihito so they can find whoever's responsible.

Trivia

 * She is the first Monster Girl introduced whose host is not Kurusu, although she, like Papi, has been transferred to him.
 * She is the second Monster Girl introduced whose name was not revealed in her debut chapter.
 * She is the third Monster Girl known to have a last name, the first two being Centorea Shianus and Meroune Lorelei.
 * Her original host family is also the first to show the more serious fear of the extraspecies. This is treated more seriously than the annoying couple.
 * However, this may have been due to the fact that the media only features humanoid monsters, such as Catgirls, Bunnygirls and Doggirls, and thus were not expecting her demihuman appearance.
 * Her name is derived from the Greek mythology character Arachne, who once boasted of her spinning prowess being greater than the Goddess Athena, who cursed her with having the body of a spider as a result of her arrogance.
 * Rachnera wears an outfit in Episode 18 that greatly resembles the version of the Sneaking Suit worn by "The Boss" from Metal Gear Solid 3: Snake Eater, with the torso being open from the top like the character wore the outfit towards the end of the game.
 * Interestingly enough, unlike Miia, Mero and Cera who also have animalistic lower bodies, Rachnera has human buttocks.