Hanamaru Hiroki was quite busy with work and went to the police station early.
Hanamaru Meiko was also aware of the Saturday study session, so she went shopping with Uesugi Nobuko, who was free during the day.
Their mothers had a good relationship, being classmates from university, and often arranged outings.
When they were young, they often took Sakura and Hanabi with them, exploring various parks in Tokyo.
It was through these interactions that the little girl gradually got to know him well and became inseparable.
Uesugi Sakura sat in the middle of the coffee table, looking at the two in front of him:
"The Menelaus Theorem, let me say it again, don't forget, this is last semester's knowledge."
He pointed with his pen at two intersecting triangles on the exercise.
"Any line that cuts through the sides or extensions of a triangle results in the product of three non-adjacent segments being equal to the product of the other three segments."
