Ren Yamai

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Ren Yamai
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Birthday: November 8
Zodiac: Scorpio
Gender: Female
Japanese Name: 山井 恋(やまい れん)
Chinese Name: 山井戀
Korean name: 야마이 렌
dislike count: 1
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🎙️ Anime Voice Actor

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Rina Hidaka
Rina Hidaka
Japanese(Anime、Voice Actor)

🎬 Appearing Anime

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Komi Can't Communicate
Komi Can't Communicate
Release date: Oct. 7, 2021

Character Setting

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Ren Yamai is a girl from Komi Can’t Communicate who is obsessed with Shouko Komi. She is famous for her intense “yandere” (overly attached and jealous) personality, especially when it comes to Komi. Ren is known for wild actions, including stalking and dramatic jealousy, but outside of this, she acts outgoing and friendly. A turning point is when she kidnaps Hitohito Tadano, causing Komi to get truly angry at her. Ren is academically decent, rich, talented in music, and is also called a “priest” by other Komi fans at school.

Ren Yamai is a high school girl with a fashionable appearance and a bright, cheerful style.

She often appears together with her group of friends.

Ren sees herself as a “normal” high school student but is actually a classic yandere.

She admires Shouko Komi so much that she calls her “Lady Komi” and secretly worships her.

Ren gets overly jealous and sometimes acts irrationally when anyone, especially a boy, gets close to Komi.

Despite all this, she is good at making friends with people other than Komi and is often very supportive.

She can be sarcastic, loves fashion, and is generally considered attractive and popular.

Her personality stands out as loud, passionate, and caring, but sometimes “scary.”

Ren Yamai was the leader of the girls’ group in her class during her first year.

She has always been surrounded by many followers at school.

Her family is wealthy, and she often travels abroad (like to Hawaii and Venice), bragging about it and using foreign phrases.

She is noted for being friendly and outgoing unless the situation involves Komi.

Ren is talented at playing both the violin and piano.

She once won a violin competition.

She played keyboard for the girls’ band “Perolabi” (Perorabiosso) during the school’s culture festival.

She can speak English well, partly due to her many overseas trips.

  • Birthday: November 8
  • Zodiac Sign: Scorpio
  • Favorite food: Spicy dishes
  • Favorite person: Shouko Komi
  • Exam rank: 36th in the 24th summer term
  • Weight (in year 2): 44 kg
  • Has won a violin competition
  • School band keyboardist
  • “NumaBro World Battle Power”: 900,000,000 (vol. 21), 1,001,800,000 (vol. 30)
  • Popularity poll: 15th place

Ren is deeply in love with Shouko Komi, viewing her almost as a goddess.

She becomes jealous easily, especially towards Hitohito Tadano, Komi’s close friend and later boyfriend.

She once tried to kidnap Tadano out of jealousy, which led Komi to become very angry at her.

After this, Ren apologized, and with Najimi Osana’s help, she made peace with Tadano.

She still watches over Komi and is always looking out for her.

Ren frequently butts heads with Omoharu Nakanaka over who is closer to Komi; they are rivals but also care about each other.

She gets along with her girl group, including Yuka Poyo, Mutan, Gonzales, and spends time helping them adapt in class.

Ren is childhood friends with Akako Onigashima and is often seen with Himeko Kishi.

Despite her strange behavior with Komi, with other boys and girls she’s seen as a friendly, attractive, and even tsundere girl.

She also worries about Tadano’s family’s financial situation when she visits their home.

Obsessed with Komi

Ren first meets Shouko Komi as a classmate in their first year.

She instantly falls in love with Komi, calling her “Lady Komi” and seeing her as an object of worship.

Her feelings combine both admiration and romantic attraction.

Extreme Actions

Ren acts in exaggerated ways to keep others away from Komi.

She checks Komi’s shoe locker every morning to remove love letters from boys.

When Tadano gets close to Komi as her first real friend, Ren becomes extremely jealous.

Ren kidnaps Tadano, planning to “bury him,” which angers Komi so much that she rejects Ren as a friend.

This is the only time Komi has shown such clear anger.

Seeking Forgiveness

After the kidnapping event, Ren tearfully apologizes.

With Najimi’s help, things calm down, but Ren remains jealous any time Komi gets close to Tadano.

She still leads Komi’s fan group in harassing Tadano at school.

Growing Friendships

Ren acknowledges Tadano’s skill in communicating with Komi and sometimes works together with him.

She supports Komi in school events and helps classmates like Nakanaka fit in, even if she does it in a teasing way.

During the culture festival, Ren joins Nakanaka’s band, plays keyboard, and helps them practice.

Komi’s Relationship With Tadano

When Ren learns about Komi and Tadano officially dating, she becomes furious and seeks Tadano out in his class.

But seeing Komi and Tadano protect each other, Ren is defeated.

She hides at home for a week but later talks to Komi and decides she will “not accept, but also accept” their relationship.

Ren continues to watch over them, feeling a lot of inner stress but mostly keeping her feelings in check.

Life in Later Years

Ren becomes more friendly with other classmates and keeps up with band activities.

Though she is rivals with Nakanaka, they start to get along better and become close.

She still calls Nakanaka by her first name, “Shishun,” in their third year.

Ren’s strange moments become more of a comic element, but she proves to be a loyal and helpful friend.

  • Ren is called “Priest” by other Komi fans at school.
  • She sometimes wears Komi’s tights on her head and runs around the school.
  • Despite her extreme jealousy, most classmates find her fun and normal as long as Komi is not involved.
  • She uses unique ways to teach others, especially when it comes to music.
  • Ren has a high “NumaBro World Battle Power,” jokingly ranked in the billions.
  • She has a tendency to talk in foreign languages after her world trips, which some friends find annoying.

Ren is mostly a charming and energetic girl, but when it comes to Komi, she turns into a completely different, possessive person.

Outside of matters involving Komi, she stands out as one of the most reasonable and sociable characters on the show.

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(Last edited time: May 19, 2026, 9:16 p.m.)

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