Rin has purple eyes, dark-purple hair, and pale skin.
When camping, she wears brown boots and black leggings, a pinkish dress, and a green sweater underneath a plaid grey shawl. She usually keeps her hair in a bun. Sometimes she also wears a white knit-cap and has her hair loose. In one of the episodes, Ena Saitou tied her bun into a small teddy bear.
In school, she wears the typical female uniform (seifuku, 制服) and has her hair loose. She's currently wearing the Winter seifuku.
- She works at the Takeda Bookstore.
- Her birthday is on October 1st.