INTRODUCTION
Seika Tamukai (田向星華, known as Seisei) is a widely recognized Japanese fashion model and media personality, admired for her striking visual appeal, distinct gal‑style aesthetic, and charismatic presence both in fashion circles and on social media. She rose to fame as a regular model in the teen fashion magazine Popteen and later became an exclusive model for Happie nuts, one of Japan’s leading fashion publications beloved by young audiences. Her versatility ranges from runway appearances to digital content creation, and her magnetic style has attracted a global following.
PROFILE / BASIC INFORMATION
Full Name: Seika Tamukai (田向星華, たむかい せいか)
Also Known As: Seisei (せいせい)
Nationality: Japanese
Profession: Fashion Model, Talent
Industry Category: Fashion & Entertainment
Years Active: Approximately 2017–present
Date of Birth: August 28, 2001
Age: 24 (as of 2026)
Birthplace: Osaka Prefecture, Japan
Current Residence: Private
Height: 166 cm (5′5″)
Zodiac Sign: Virgo
Blood Type: AB
LATEST NEWS
In 2025, Seika announced her marriage to her longtime partner, revealed she is expecting her first child, and shared heartfelt messages to fans affirming her plans to balance her modeling career with motherhood.
Seika publicly addressed and dispelled persistent breast augmentation rumors by releasing MRI proof on her YouTube channel, emphasizing authenticity and reinforcing trust with her audience.
Seika was appointed as the image model and producer for the RESAY brand of colored contact lenses, reinforcing her influence in fashion and beauty product branding.
CAREER OVERVIEW
Seika Tamukai began gaining public attention in 2017 with her appearances on the reality series Koisuru♥Shuumatsu Homestay (恋する♥週末ホームステイ), which helped launch her career and introduced her to wider audiences.
She became a regular model for Popteen magazine, one of Japan’s foremost teen fashion publications, and her popularity grew steadily as she embraced both print and digital media exposure.
Subsequently, Seika became an exclusive model for Happie nuts, a leading fashion magazine known for its bold gal style and trendsetting content, where she showcased her distinct aesthetic and fashion versatility.
Seika has also appeared in various web series, MV productions, and social content, building a strong multimedia presence.
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EARLY LIFE / BACKGROUND
Seika Tamukai was born on August 28, 2001, in Osaka Prefecture, Japan. From an early age, she displayed an interest in fashion and self‑expression, and she transitioned into professional modeling during her teens. Her early work in reality TV contributed significantly to her visibility prior to establishing herself in fashion publications.
FASHION SHOWS / EVENT APPEARANCES
Seika has walked and participated in many high‑profile fashion events and collections including KANSAI COLLECTION shows, NARA COLLECTION, KOBE COLLECTION, SAPPORO COLLECTION, TGC teen, and Tokyo Street Collection, among others, highlighting her runway experience and influence in Japanese fashion culture.
BRAND COLLABORATIONS / ENDORSEMENTS
Seika has worked as an image model for several brands, including colored contact lens projects and fashion campaigns. Her role as both producer and ambassador for the RESAY color lens brand marked a notable collaboration blending fashion and beauty influence.
MAGAZINE FEATURES / RUNWAY APPEARANCES
Seika starred as an exclusive model in Happie nuts magazine, and has appeared in features ranging from fashion editorials to photo spreads that demonstrate her gal aesthetic and versatility. Her gravure work has also appeared in wider publications, including male‑oriented magazines where she debuted with natural and bold looks.
PUBLIC IMAGE / CULTURAL INFLUENCE
Seika’s social media presence and fashion style have earned her the nickname “Reiwa’s Queen of Attractiveness” given her magnetic personality and visuals that resonate with a broad audience. Her candid sharing of beauty routines and lifestyle content has helped inspire fans worldwide, empowering followers to embrace self‑expression and confidence.
PERSONAL LIFE / HOBBIES / INTERESTS
Hobbies: Fishing, preparing and filleting fish, video games, walking, makeup artistry, hairstyling, hip‑hop music, fitness, self‑nail art
Special Skills: Makeup techniques, fashion coordination
Languages: Japanese, basic English (Private)
Education: Private
TRIVIA / FUN FACTS
Seika’s nickname Seisei reflects a playful and affectionate name fans use across social platforms.
She has openly shared posts from casual selfies to bold fashion looks, generating significant engagement and community support on interactive platforms.
Seika combines her gal fashion roots with modern beauty trends, bridging classic gal aesthetics with clean, contemporary visuals.
SNS / SOCIAL MEDIA / ONLINE PRESENCE
Instagram: https://www.instagram.com/seika____official/
X (Twitter): https://x.com/seika_tamukai
TikTok: https://www.tiktok.com/@seika_25
YouTube: https://www.youtube.com/@seika_official