A sub-trope of Anime Hair, this hairstyle resembles the hood scoops on a muscle car and also looks a bit like cat ears, allowing for the visual appeal of the Cat Girl in series that are too "realistic" to actually feature such a supernatural creature. They can also be used to suggest a resemblence to a machine, again, without the work necessarily featuring something like a Robot Girl. Seems to be more common among females, though male examples are plentiful as well.
The trend started in the late 90s and continued in the early 2000s, most likely popularized by Sakura Kinomoto of Cardcaptor Sakura.
Seems to be especially prevalent in Visual Novels.
Examples:
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Anime and Manga
- Shironeko from Akazukin Chacha, being a nonstandard take on a Cat Girl, has these instead of cat ears.
- Kaede Kayano a.k.a. Akari Yukimura from Assassination Classroom sports these. They serve to hide her own tentacles.
- Sakura of Cardcaptor Sakura and Tsubasa -RESERVoir CHRoNiCLE- also sports this hairstyle, combined with a Hair Antennae.
- Celty Sturluson from Durarara!! is an interesting variation since she has no head. Instead, her helmet has prominent cat-like 'ears' where hair intakes would otherwise be but actually subverted since her 'real' head doesn't have them.
- Mutsuki Ichimonji from Happy Lesson has these.
- Akari from Jewelpet Twinkle☆ has this hairstyle.
- Yukari in K has this.
- The titular character of Karin has such large intakes that they make up more than half of her total hair, a rarity.
- Mermaid Melody Pichi Pichi Pitch: Lucia has these, combined with an Idiot Hair.
- Ms. Smith from Monster Musume has these (more noticeable in the manga).
- Haru from Ojojojo has small ones resembling horns. Her and Tsurezure's child in the epilogue inherited them.
- Omamori Himari's Token Mini-Moe, Shizuku, has this hairstyle in its most magnificent form.
- Ada from PandoraHearts sports this hairstyle.
- Tsukiumi from Sekirei has this hairstyle.
- Aoi of Six Gravity (Tsukiuta) has them. Apparently, they're supposed to resemble wings.
Literature
- Miyabi Hotaka from Absolute Duo has this hairstyle.
- Isuzu Sento from Amagi Brilliant Park has these, along with a Hair Antennae.
- Fear from CubeŚCursedŚCurious has this hairstyle.
- Koneko from High School Dx D has them, adding to her Cat Girl motif. She actually is a Nekomata, and sprouts actual cat ears in their place when using her full strength.
- Seara August from I Couldn't Become a Hero, So I Reluctantly Decided to Get a Job has them.
- In Sunday Without God, Ai and her mother Alfa have this hairstyle. In Ai's case, she also has a Hair Antennae.
- Violet of Violet Evergarden has this hairstyle, both during her Child Soldier and post-war typewriter outfit.
Video Games
- Playable Saber in Fate/EXTRA has them, ensuring that she can't be confused with Blue Saber even if only her face is visible. (The rest of her is a dead giveaway due to her Buxom Beauty Standard figure and Stripperiffic outfit.)
- Genshin Impact: Keqing and Dehya both sport this hairstyle, befitting their feline motifs (specifically a lioness/manticore in Dehya's case). This sets them apart from legitimate Cat Girls Diona and Lynette, as well as the nekomata Kirara.
- The Legend of Heroes: Trails in the Sky's Estelle Bright sports a pair, along an Idiot Hair.
Visual Novels
- Kyou and Ryou Fujibayashi of CLANNAD both have these quite prominently. Kotomi Ichinose has a less impressive set.
- Da Capo II has Yume and Otome Asakura.
- D.C.S.S.: Da Capo Second Season features Nanako Saitama.
- Continuing with the Key/Visual Arts theme, Kanon has three such characters, Kaori Misaka and Nayuki and Akiko Minase.
- Featured prominently in Muv-Luv. Sumika Kagami has these, as well as Marimo and Meiya. Miki "Tama" Tamase has typical hair intakes along a rare hairstyle that includes even larger cat ears.
- Meiya's in particular are so massive her hair design was apparently inspired by the Gundam GP02.
- To Heart 2's Tamaki Kousaka has these.
- Arcueid Brunestud from Tsukihime has a rather impressive pair of intakes in the original release. Her design for the remake apparently reduces them to just one, which is almost vestigial.
- Aoko Aozaki from Witch on the Holy Night and her earlier appearance in Tsukihime.
- Monika, Yuri, and Natsuki from Doki Doki Literature Club! all have this. That's three quarters of the cast. Sayori's hair kind of tries too, but it's too messy to have such regular shapes. In the CG where she's hugging the Player Character, it actually looks a bit like this trope.
Webcomics
- Senna has them in the August 18, 2012 strip (#11) of Sandra on the Rocks (just NSFW enough to not be linked).
Web Original
- Parodied in this tumblr post
, which claims that an anime girl's "hair vents" are a vital organ for facilitating gas exchange to control body temperature, and without them, they will overheat and die.
- Ouro Kronii of hololive has bangs that form this shape in her default appearance, forming a bob-cut look, but she seems to lose them when wearing her kimono.
