Until the time of the Manyoshu （between fifth to eighth century）, the Japanese writing system consisted of kanji whose pronunciation was similar to the sounds of Japanese which is called "manyogana". Entering the Heian period, hiragana was born."NIPO-242", "2548767"
Now we're thinking that we have to digitalize valuable works from our past like the Manyoshu poetry collection.〔【出典】Hiragana Times, 1996年6月号◆【出版社】株式会社ヤック企画 〕"HT116018", "2415619"
Also in the late eighth century, there appeared what is now the oldest existing anthology of poetry, the Manyoshu （Collection of Ten Thousand Leaves）, which consists of 20 scrolls and includes approximately 4,500 poems written by poets in all walks of life, from emperors to common people, over a period of about 450 years."NIPO-256", "2240794"
Tanka is Japan's oldest form of poetry. The oldest anthology of tanka, called Manyo-shu, was compiled in the 8th century."A0000188", "2459247"