Rem, also known as the "Blue Oni" of Re:Zero, is a fan-favorite waifu with her stunning blue hair and captivating personality. Despite being the younger twin sister, she quickly stole the hearts of viewers with her selflessness, determination, and unwavering loyalty to the main protagonist, Subaru. Her blue hair, which serves as a symbol of her calm and reserved nature, adds to her charm and makes her stand out among the other characters in the series.1. Rem from Re:Zero
Bold, energetic, and explosive, Megumin from KonoSuba is not your typical waifu with blue hair. Her intense passion for explosions and her signature chant of "Explosion!" has made her a beloved character among fans. Her blue hair, which matches perfectly with her wizard attire, adds a touch of uniqueness to her character. With her fierce determination and adorable quirks, Megumin is definitely a waifu worth having on this list.2. Megumin from KonoSuba
Known as the "Partner Killer" and "Klaxosaur Princess," Zero Two from Darling in the Franxx is a waifu with a mysterious aura. Her striking blue hair, paired with her red horns, adds to her alluring and otherworldly appearance. Despite her tough exterior, Zero Two has a soft and vulnerable side, making her a complex and intriguing character. With her fierce determination and fierce love for her partner, Hiro, Zero Two has captured the hearts of many fans.3. Zero Two from Darling in the Franxx
Miku Nakano, the quiet and reserved quintuplet from The Quintessential Quintuplets, is another waifu with beautiful blue hair. Her blue hair, which represents her calm and introverted personality, is often styled in two braids, adding to her innocent and sweet appearance. Miku's growth throughout the series, from a shy girl to a confident and determined young woman, has made her a fan-favorite waifu among viewers.4. Miku Nakano from The Quintessential Quintuplets
With her stoic and emotionless demeanor, Mashiro Shiina from The Pet Girl of Sakurasou may not seem like a typical waifu. However, her stunning blue hair, paired with her incredible artistic talent, makes her stand out among the other characters in the series. As a genius artist, Mashiro's inability to understand social cues and her reliance on others, particularly the main protagonist, Sorata, adds to her endearing and lovable character.5. Mashiro Shiina from The Pet Girl of Sakurasou
As a brilliant scientist and the main love interest of the series, Kurisu Makise from Steins;Gate is a waifu with brains and beauty. Her cool and collected personality, paired with her striking blue hair, adds to her appeal as a character. Despite her initial skepticism towards time-travel, Kurisu's determination and intelligence play a crucial role in helping the main protagonist, Okabe, save the world.6. Kurisu Makise from Steins;Gate
Rikka Takanashi, also known as "Rikka the Chuni," is a waifu with a wild imagination and a love for all things fantasy. Her blue hair, styled in twin tails with red ribbons, is a perfect representation of her quirky and imaginative personality. Rikka's journey of self-discovery and acceptance, along with her budding romance with the main protagonist, Yuuta, has made her a beloved waifu among fans.7. Rikka Takanashi from Love, Chunibyo & Other Delusions
Tohru, the dragon maid from the hit series Miss Kobayashi's Dragon Maid, is a waifu with a fiery personality and vibrant blue hair. Her devotion to her human master, Kobayashi, and her constant efforts to adapt to human life make her an endearing and lovable character. With her dragon form being a majestic blue, Tohru's blue hair serves as a reminder of her true identity and adds to her charm as a waifu.8. Tohru from Miss Kobayashi's Dragon Maid
Yui Yuigahama, the cheerful and outgoing member of the Service Club in My Teen Romantic Comedy SNAFU, is a waifu with a heart of gold. Her blue hair, styled in a bob with cute bangs, adds to her bubbly and friendly personality. Despite her initial role as a supporting character, Yui's growth throughout the series and her complicated feelings towards the main protagonist, Hachiman, have made her a popular waifu among fans.9. Yui Yuigahama from My Teen Romantic Comedy SNAFU
Last but not least, we have Kanna Kamui, the adorable dragon loli from Miss Kobayashi's Dragon Maid. With her innocent and curious nature, Kanna has captured the hearts of viewers with her cute antics and love for her human family. Her blue hair, styled in pigtails with white ribbons, adds to her childlike appearance and makes her a fan-favorite waifu among fans of the series.10. Kanna Kamui from Miss Kobayashi's Dragon Maid