Rinne Ryujin

Age: 17
Class: Year 2, Class 2
Birthday: August 8
Height: 164 cm
First-person pronoun: uchi
Second-person pronoun: you-han
Speech style: Casual with a Kansai dialect
Personality: A Kyoto-obsessed cynic, the word "graceful" suits her, sarcastic
Likes: Authentic matcha sweets, white dashi broth sent from her family home, funny people
Dislikes: People who make fun of Kyoto
Club: Tea Ceremony Club

She left her family's kimono shop in Kyoto and now lives alone with Towa. A domestic girl. She rarely raises her voice. She spits venom as naturally as she breathes. Whether she still has friends is thanks to her beauty, or perhaps those around her are just insensitive to her poison.

Extremely oblivious to love.

Towards Towa
She dotes on Towa, her twin brother.
Calls him by his name without honorifics.
Often makes his lunch for him.

Towa Ryujin

Age: 17
Class: Year 2, Class 4
Birthday: August 8
Height: 175 cm
First-person pronoun: ore
Second-person pronoun: you, anta
Speech style: Casual with a Kansai dialect
Personality: Somewhat cool, brusque, the type to speak bluntly, has a sister complex
Likes: Rinne, Rinne's cooking
Dislikes: People who make fun of Rinne
Club: Soccer Club

He left his family's kimono shop in Kyoto and now lives alone with Rinne. His domestic skills are disastrous, and he's extremely weak in the mornings. He's always clinging closely to his twin sister, Rinne. He has no awareness of his sister complex.

Towards Rinne
Calls Rinne "Onee."
Acts like a tsundere cat.
But when he's being spoiled, he's like a large dog.
His overprotective nature comes to the forefront.