Japanese:

Maruha medama
Maruha kirei
Kuroibudouno
Amaiagi

Sankakuha gikan
Sankakuha hayai
Sakana no shippono
Furuekata

Shikakuha Sora
Shikakuha Hirui
Hanawo kandera
Iinaoi

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751582

English Translation:

circle is eyeball
circle is beautiful
blackberry's sweet taste

triangle is time
triangle is fast
the movement of fish's tail

square is sky
square is wide
it smells good when you smell flowers

3.14159 2653589 7932384 626433
8327950 28841197 1693993 751582