[Before paying 20,000 yen for extra individual tutoring] Ending the nights where you stop writing because you 'can never set up an equation for word problems'—Breaki…

"If it's a calculation problem, I can solve it smoothly as long as I'm careful with the signs..."On school tests and in ...

[Before Paying 30,000 Yen for a Cram School Science Course] Ending the Nights of Fearing 'Chemical Changes and Ions' as Unsolvable Code: Breaking Through the Mi…

"H+", "OH-", "Na+", "Cl-"...In the middle of the night, in a study room, the science workbook spread out on the desk is ...