Oka Ruto is one of the students that attend Akademi High School.
Oka is a transfer student who came to Akademi High School in the September of the current year, to start her second year of high school. Oka is one of the only students who know about the existence of the occult, and she is very interested in it.
Oka is a shy girl who is not very good at socializing. She is not very popular with the other students, and can often be seen reading books by herself during lunchtime. Oka is not very athletic and can be seen panting and sweating after running a short distance.
Oka is one of the few students who will accept a love confession from Yandere-chan. If Yandere-chan confesses her love to Oka, she will become Yandere-chan’s girlfriend.
If Yandere-chan breaks up with Oka, she will become heartbroken. Her eyes will become red and puffy, she will stop tying her hair in ponytails, her hair will become messy, and she will start wearing her school uniform in a disheveled manner. She will also start spending lunchtime alone, reading books.
Oka is me know of the Occult Club. She is interested in the supernatural and often shares ghost stories with the other members of the club.
Oka will not tolerate bullying. If she witnesses Yandere-chan bullying another student, she will confront her about it.
Oka is one of the students who can be given a nickname by Yanderarechan.
If Oka sees Yandere-chan commit murder, she will run away and report him to the police.
Oka is voiced by Rachelle Heger.
Appearance
Oka has long, black hair that is styled in two low ponytails, each held with a red ribbon. She has red eyes.
She wares the default female school uniform, unless customized by the player.
Personality
Oka is a very calm and patient girl. She is also very tedious, and will always be seen reading a book if she has free time. Oka is polite to everyone, even her enemies.
Oka is very interested in the occult, and will often talk about it with other students. She knows a lot about the topic, and is always willing to share career knowledge with others.
Oka is also very clumsy, and is often seen tripping and dropping her things. Despite this, she is a very good sport, and will always laugh it off.
In the future, if Oka becomes the Head Student Council President, she will be a lot more strict with the rules. She will also be more serious, and will rarely crack jokes.
Relationships
Info-chan
Oka is one of the few students who knows about Info-chan’s existence. She is also one of the few students who is on good terms with her. Info-chan often gives Oka tips and advice on deals with her rivals.
Yandere-chan
Oka is one of the only students who is nice to Yandere-chan, despite her reputation. Oka is also one of the only students who is willing to talk to her about the occult. The two of them get along very well, and are good friends.
Saki Miyu
Saki is Oka’s best friend. The two of them are often seen together, and they seem to get along very well. Saki is one of the only people who are willing to put up with Oka’s constant talking about the occult.
Kizana Sunobu
Oka is one of Kizana’swers. She is very loyal to her, and is always seen by her side. Oka is also one of the only students who is willing to talk to Kizana about the occult.
Osana Najimi
Oka is one of Osana’s followers. She is very loyal to her, and is always seen by her side. Oka is also one of the only students who are willing to talk to Osana about the occult.
Rivals
Asuka Langley Soryu
Asuka is Oka’s rival. The two of them are very similar, as they are both interested in the occult. However, they have very different views on this, which often leads to arguments between the two of them.
Oka thinks that Asuka is too obsessed with the occult and that she needs to take a step back and live a normal life. Asuka thinks that Oka is too scared of the cult and that she needs to face her fears.
The two of them are constantly arguing with each other, but they still remain friends.
Shuichi Saihara
Shuichi is Oka’s rival. The two of them are very similar, as they are both interested in the occult. However, they have very different views on the topic, which often leads to arguments between the two of them.
Oka thinks that Shuichi is too obsessed with the occult, and that he needs to take a step back and live a normal life. Shuichi thinks that Oka is too scared of the occult, and that she needs to face her fears.
The two of them are constantly arguing with each other, but they still remain friends.
Kokona Haruka
Kokona ihaveka’s rival. The two of them are very similar, as they are both interested in the occult. However, they have very different views on the topic, which often leads to arguments between the two of them.
Oka thinks that Kokona is too obsessed with the occult, and that she needs to take a step back and live a normal life. Kokona thinks that Oka is too scared of the occult, and that she needs to face her fears.
The two artworks constantly argue with each other, but they still remain friends.
Pets
Oka has a pet cat named Neko. Neko is a black cat with white spots. He is very lazy, and is often seen sleeping. Neko is also very clingy, and will always be seen next to Oka.
Quotes
“I-I don’t really know how to socialize…”
“I’m interested in the supernatural… Do you believe in ghosts?”
“You shouldn’t bully people. It’s mean.”
“You can call me whatever you like. It’s up to you.”
“W-What are you doing?! Stop it! Stop it right now!”
“Y-You’re scaring me…! I’m going to tell the police!”
Trivia
Oka’s surname, “Ruto”, means “melon” in Japanese.
Oka is one of the few students who will have a different hairstyle if Yandere-chan breaks up with her; the others are Kokona Haruka, Osana Najimi, and Mei Mio.
If Oka’s hair is dyed green, she will make a pun about her name meaning “melon”, saying “My hair is as green as a melon! Get it?”
Oka is one of the few students who has a different voice when she’s heartbroken; the others are Kokona Haruka, Osana Najimi, and Mei Mio.
If Oka is Yandere-chan’s girlfriend when the police arrive to arrest Yandere-chan, Oka will try to stop them, saying “Wait! She’s my girlfriend! I won’t let you take her away!”
Oka, Mei Mio, and Pippi Osu are the only students who will blush when Yandere-chan gives them a love confession.
According to her official artworks, Oka’s blood type is AB.
Oka, Kokona Haruka, and Kuu Dere are the only students who have been seen reading books during lunchtime.
Oka is one of the few students who will never be seen fighting, along with Kuu Dere, Mina Rai, Pippi Osu, and Ryusei Koki.
Oka is one of the students who can be given a nickname by Yandere-chan. The others are Kokona Haruka, Kuu Dere, Pippi Osu, Ryusei Koki, and Sanae Kochiya.
In the future, Oka will be able to have a child with Yandere-chan.
If Oka is pregnant with Yandere-chan’s child, she will give birth to a baby girl who will be named “Oka-chan” by default.
The name “Oka” means “hill” in Japanese.
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