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Rishia first appears during the final companion exchange with Itsuki. She belongs to the house Ivyred, a fallen noble family, according to the queen. She is describe as very child-like by Naofumi and seems to lack a definitive role in her group of companions. She plays the roles CQC, Attack Magic, Healing, and Support. In chapter 109 of the web novel Rishia is accused of breaking Itsuki's bracelet he got from the Swindling Merchant which deeply upsets her. Everyone in the party including Itsuki shuns her out of the party to which she responds by trying to commit suicide only to have Firo save her. Naofumi is outraged that she is being falsely accused and asks her to join his party in order to become stronger. She hesitantly does so for Itsuki's sake. She is level 68 when she joins the party so in order to compensate for her lower level she is asked to wear the Penguin Plush.
Naofumi asks her to consider being a slave for the sake of his Slave Growth Correction ability. He also learned of a way to reset her level/stats/class up choice from the queen to which he also offered to do for her. After considering it heavily, she decides to trust him and become a slave. Soon after accepting, a High-class slave crest was engraved on Rishia’s chest. Just like Bitch, after a while it turned invisible. After checking her stats Naofumi noted that although she was level 68 her stats where nearly 1/5 of Raphtalia's.
Originally a daughter of a fallen noble upon being saved by Itsuki, which led to her extreme devotion to him. Upon entering his party she was at the lowest position of the hierarchy and tried to forcefully acquire power against her original potential ruining her growth. After being framed she became suicidal and was then saved by Naofumi, she then seeks new strength to return to Itsuki's side, but remains nervous in the presence of others, using the expression "Fuee" whenever startled or nervous.
Risha scares easily and she is a klutz.
Rishia was a fallen noble who even had to sell herself into slavery for the sake of money. And the one who saved her from such despair was Itsuki. He became her goal. Her aspiration. Though she did lose to it once and jumped into the ocean, you could also say that she had enough willpower to do such a thing.
Rishia appears to be around 14 years old. Giving off somewhat of a childish feeling. She looks to be brought up well, and her genes look good. She’s petite and doesn't seem suitable for combat.
Rishia was the daughter of a fallen nobleman of House Ivyred. Her family had little money and just barely scraped through. The village they lived in was ruled by a Noble family that was obtaining their funds through illegal means and Rishia’s parent tried to sabotage their operations. But all of their money was secretly taken by those people. All the villagers who also raised complaints against the noble family were silenced. Then, as Rishia’s family had no money left to pay taxes, the Noblemen proposed that they could give Rishia in place of money. They threatened that they would kill her family if her parents didn't comply.
That evening, Itsuki and his companions infiltrated the Villainous Nobles’ Mansion and used the authority of the Hero to put an end to their dealings and save Rishia. Rishia felt greatly in debt to her saviors, and decided to join Itsuki’s party.
According to Risha she has never had any talents, if she had to pick something, magic is her specialty, but Itsuki prefers members who take the vanguard, so when classing up she selected a class with higher close-combat skills. So because she has ignored her strengths and focused on her weaknesses she has been unable to improve. Rishia fights very clumsily. When I think she would stab the enemy with a sword, she recites magic and casts recovery on someone who is injured. She can use all types of Magic and is quite resourceful. She can use a sword, cast magic and preform healing. Rishia was able to break the level cap. By concentrating chi on her eyes. Rishia can see the flow of the energy. The Instructor was so impressed by her enthusiasm that she taught her the Peerless Transformation Style. Rishia excels at maintaining Peerless Activity for a long time. She is capable of Elemental magic, a synthesis of fire, water, earth, and wind magic. It’s apparently hard to control, and there are few people with the necessary magic attributes to use it. The Magic Shopkeeper tried hard to get Rishia to learn it. She said that there were very few people with the potential to use it. But, it is the perfect magic for the Jack of All Trades, Rishia.
Hengen Musou Skills
- 「Binding Thrust」
- 「Musou Kassei」
- 「Spiral Slash」
- 「First Stance, Sun」
- 「Second Stance, Moon」 
- 「Third Stance, Star」
- 「Fourth Stance, Devil」
Seven Star Projectile Skills
Cal Mira Island Arc
Chapter 78 to 114
Part of Itsuki's crew, but is pretty much the party's pack mule and errand girl. Gives Naofumi information regarding Itsuki's strengthening methods. Itsuki and his party ostracize her for being weak and kick her out of the party while accusing her of breaking Itsuki's bracelt. Joins Naofumi's party after being rescued by Firo after trying to commit suicide via jumping off the boat into the sea. She agrees to become a slave.
Naofumi begins to call her out on her "Fuuueeee" shit. She helps Naofumi fight the Spirit Turtle and gains a bit of confidence but still "Fuuueeee"s pretty often. When the hourglass stops and wave is pushed back 3 1/2 months it's time for her to return to level 1. Her stats barely decrease though. She levels with Firo. She's like level 20ish I think at this point.
Spirit Turtle Arc
Chapter 115 to 130
Slave Supremacy Arc c131-203
Levels with slaves. She's level 28ish I think c137
She's left in charge of the the village’s management and level raising while Naofumi is away pedaling. c139
She is up to level 35 but Naofumi wants her to class up with the others so he says she might have to wait for the others to catch up. c140
Rishia reaches level 40 and is able to class up. Naofumi informs her and the rest of the slaves of the way Raphtalia and Firo classed up and explained that they didn't have a choice in which direction their class up too them, but since they gained stats superior in all fields to most other class ups so it all worked out in the end. He then asked if she would like to do the same at the cost of her choice in direction of the class up to which she declined. c144
She classes up into a "Universal" type as contrasted to her previous choice that focused on close combat with the hopes of becoming part of Kawasumi Itsuki's meat shield rather than directly assisting him. All of her stats grew higher, but not that high in comparison to Raphtalia and Firo's that nearly doubled everything with the help of Firo's ahoge. c145
New 7 Deadly Sins
Towards the Legend Arc
The Christmas of Shield Hero
The Valentine of Shield Hero
The White Day of Shield Hero
The Reset of The Spear Hero Gaiden
Loop 1 to 3 - Tutorial Arc c410-414
Loop 4 - Silt Welt Arc c415-455
Loop 5 - Melromarc Arc c456-574
Loop 6 - Foburei Arc c575-current