Today is hot very much.
It's about 40 degree at saitama.
This summer is not enough to use erectoric .
So I may dead due to hot.
Another ,I recently decrease to study about everything .
It is not good.
I regret it.
I change it little by little.
I should use time resenable、not choose place .
If I get on business class on train,I use good better than it.