In the season of cherry blossoms falling, you are by my side.
"Why is this person so annoying?"
"No, why is this person following me home??"
"No, why does he live downstairs in my house???"
The surface is as cold as ice, but in reality, there are hidden secrets × Sunny and cheerful, easily jealous and susceptible
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Also known as "The Thread of Mathematics"
Purpose: Study mathematics well