Tutor: the Intersection of Parallel Lines

Rin Amamiya (a time traveler, whose soul comes from modern times and travels to an ordinary girl from Namsei Middle School. She is introverted and cautious at the beginning, but gradually becomes brave and responsible, and has a good impression of Tsunayoshi. She has a weak adaptability to the death energy flame that is biased towards the "rain" attribute, and later officially awakened under the guidance of Ribaun.)