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  • Kukiko Sato is first ever OC to be created by Horoshi.
  • Her portrait was created by CrabbyMeal.


Kukiko Sato is an OC created by Horoshi. She is third-year female student at Akademi High School. She is your 11th rival.


Kukiko Sato (くきこ さと里/Kuki ko Sato) is a female student who attends at Akademi Highschool. She lives in Buraza Town. She is known as a very shy student. She is known for her intelligence traits.

Her Parents are on a trip to Russia. Her grandmother looks after her.

She hasn't joined a club. And she will never join any. She studies in class 3-2. She has only one friend, Sukiru. And is seen talking to her very rarely.
She is also your 11th Rival. As soon she returns to school after an injury. She soon falls in love with Senpai. (Her events are WIP.)


Kukiko has long, silky brown hair. She also has a dark brown bow on top of her head. She has light blue eyes.

At school, she wears the default seifuku uniform, unless customized by the player. She also wears light brown stockings, with a pattern of dark brown bows. She also wears a brown friendship band given to her by her friend, Sukiru. She is tall and slim.

At home, she wears a brown T-shirt, with a pattern of chibi bears. She also wears blue jeans.

Her bust size is 2 (D Size).


Kukiko has "Loner" personality. If she sees Yandere-chan murder a student or a teacher, She will run away from school grounds and call the police. Her Self-defense stat is "Weak".

If you don't sabotage her events for three days straight, she and Senpai will become good friends and she will have "Clingy" personality. If she sees Yandere-chan murder a student or teacher while having this personality, she will go wherever Senpai is, and tell Senpai all about your nature. This will result in an immediate game over.

If Yandere-chan aims her camera at her, she will hide her face.

If Yandere-chan murders a student or a teacher in a crowd including her, she and other 3 students will apprehend Yandere-chan and cause a game over.


Kukiko is described as an extremely shy student by her classmates and teachers. She is a emotionally dependent, shy, loner girl. She likes to be the topper of her class.

She will get clingy if you don't sabotage her events with Senpai for three days straight. She always wanted to have a boyfriend that is just like her ; Intelligent and a loner. And now her dream is finally going to come true. Unless something tragic happens to her...


  • She enters the school grounds at 7:05 AM, She goes to her locker to change her outdoor shoes.
  • At 7:15 AM, She will go to the school library and read a random book.
  • At 8:00 AM, She goes to her class and wait for her Sensei to arrive.
  • At 1:00 PM, She sits and eats lunch on a bench near East Outdoor Fountain, With her best freind, Sukiru.
  • At 1:20 PM, She goes back to her class to study.
  • At 3:30 PM, She watches her friend, Sukiru, participate in a club activity.
  • At 4:30 PM, She goes to her locker to change her indoor shoes and leaves the school grounds.






  • Kukki's first task is to find her cell phone lost on school grounds. Find the cell phone and return it to her. It is only available during Monday to Tuesday. This task is only valid in lunchtime.
  • Kukki's second task is to find a specific book at school library. Find the book and give it to her. It is only available during Wednesday to Thursday. This task is only valid before school.
  • Kukki's third and final task is to find her secret diary lost in a clubroom. Find the diary and return it to her. It is only available during Friday. This task is only valid after school.

100 Questions

Please click on the following page.

Kukiko Sato / 100 Questions


  • Senpai : Kukiko loves Senpai from bottom of her heart. She cannot bear to see him sad. She will do anything to cheer him up. She plans to confess to him on next Friday.
  • Sukiru Ato : Kukiko really likes her best and only friend. They spend time together. But they talk very rarely. They have given each other friendship bands to show the sign of their never-ending friendship.
  • Her Suitor : He stalks Kukiko frequently. Yandere-chan can matchmake Kukki with her suitor.

Events And Sabotage

  • The first event that occurs on Monday is that Kukiko is planning to show Senpai her favourite book in lunchtime. Yandere-chan can sabotage this by replacing Kukiko's book by a Hentai Manga. Steps : 1. Find Kukiko's book and steal the book before classes . 2. Get enough panty shots to get a Hentai Manga provided by Info-chan. 3. Replace Kukiko's book with Hentai manga.


School : Kukiko is a very intelligent student. She always gets good grades in exams.

Skills (School) Skill Level
Biology 5/5
Chemistry 5/5
Language 5/5
Physical Education 3/5
Psychology 5/5
Overall School Statistics 5/5

Clubs : Even though she hasn't joined any club, She has good talents.

Skills (Clubs) Skill Level
Cooking Skills (Cooking Club) 4/5
Acting (Drama Club) 3/5
Occultism (Occult Club) 2/5
Painting (Art Club) 4/5
Musical Knowledge (Light Music Club) 3/5
Strength (Martial Arts Club) 2/5
Photography (Photography Club) 4/5
Scientific Knowledge (Science Club) 5/5
??? (Not info-club) 5/5
Athleticism (Sports Club) 2/5
Gardening (Gardening Club) 5/5
Gaming (Gaming Club) 4/5
Reading (Book Club) 5/5
Computer Knowledge (Computer Club) 4/5
Sewing (Sewing Club) 3/5
Mathematic Knowledge (Mathemetic Club) 5/5
Writing Skills (Calligraphy Club) 5/5
Detective Skills (Newspaper Club) 3/5
Editing Skills (Yearbook Club) 4/5
Overall Club Statistics 4/5

Dere : Kukiko is mostly a Dandere.

Skills (Dere) Skill Level
Yandere 1/5
Tsundere 2/5
Kuudere 3/5
Deredere 2/5
Dandere 5/5
Himedere 1/5

Other : Kukiko can be good or bad at many things.

Skills (Other) Skill Level
Social Skills 2/5
Intelligence 5/5
Creepiness 1/5
Self-defense and Strength 2/5
Kindness 5/5
Evilness 0/5
Lonliness 4/5
Activeness 3/5
Other Skill Statistics 4/5


Responses :

Oh my God! Is that a dead body?!
— When seeing a corpse.
Oh God! Stay away from me!
— When witnessing yandere-chan commit a murder.
Okay then. I hope you're not joking.
— When following yandere-chan.
— When talking to her.
Thanks for saying that.
— When complimenting her.

Tasks (WIP) :

Uh..Well..I need help with something. Uh.. I just lost my Cell Phone somewhere on the school grounds...It's really important to me.. Would you look for it...? and give it back to me when you find it?
— Her Task.
You will look for it! Thanks! Good luck!
— When accepting her task.
Okay...I will find it myself..
— Declining her task.
Wow! You found it! Thanks a lot! I owe you one.
— Completing her task.

Other :

AH!... What just happened?! Did you just threw a bucket of water at me?! Thanks. Now I have to change my clothes...
— When splashing her with a bucket of water.
She can never do such thing like this! It's just a stupid fake rumor.
— When gossiping about her friend on the internet.


Opinion Topics
Likes Family, Friends, Anime, Cosplay, Cats, Reading, Justice, Nature, Science
Neutral Occult, Cooking, Theatre, Video Games, Solitude , Martial Arts, Gardening
Dislikes Money, Violence, Photography, Sports, Gossip, Memes


  • Her name, Kukiko Sato is bit similar to Cookie Sugar.
  • Her name was suggested by CrabbyMeal.
  • Her original name was "Kukki Suito", but it was changed because it was google translated.
  • She has a brown cat named "Kami".
  • Her favourite colour is brown.
  • Some students have claimed that they have seen her talking to a gang of delinquents.
  • Her injury was occurred by breaking her right leg in a Sports class.
  • For some reason, she really likes windy and rainy weather.
  • Her original concept for her was to be lewd and perverted. But, It was changed later.


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