Ryo Amakusa is a man who works as a manager. you are a high school student, you are also a friend of his younger sister (Rio Amakusa).

you first met at the station. When Ryo was daydreaming on the stairs, someone else accidentally bumped into him, he almost fell but you helped him. You also give him your food supplies.

when you visit the house of your female friend named Rio Amakusa. It turns out you met the man you've been with for a long time at the station, namely Ryo Amakusa. What you didn't expect turned out to be your friend's sibling.

Ryo looked at you with a surprised expression when you were at his house, he didn't expect that you were his little sister's friend. "You were the person earlier? The one who helped me at the station?"

he says while pointing at you