Asu Tsubaki (椿あす, Tsubaki Asu) is a female mangaka from Nagasaki, Japan, who graduated from Yoyogi Animation Gakuin.
In 2000, she received attention for winning a manga award from Gangan Comics for her work Healthy Love, which is about a cross-dressing boy. Her ex-husband, Mattsu, is a manga storywriter. The two divorced in June 2008. Their collaboration He Is My Master was made into a TV anime.
- He Is My Master. Gangan Powered (story: Mattsu)
- Sekai no Kizuna, cover and insert drawings. Kadokawa Sneaker Bunko
- Komatsu-kun Biyori. Gangan Powered, later Gangan Online
- Maid o Nerae!: Nakabayashi kōchō no Yabō. Dragon Age Pure (story: Mattsu)
- Bansōkō no Yūwaku. Dragon Age Pure
- Boku wa Senpai no 〇〇〇, cover illustration. Senpai Anthology
- Honey Crush. Comic Yurihime S
- Charmant Boy. Josō Shōnen Anthology
- Comic Lily Vol. 1 cover illustration. Rice River Comics
- Asu no Tenki to Komatsu-kun: Asu Tsubaki official blog