Koto Music Score: Japanese Children's Songs, Playfulness, For the Flowers, Poem of the Wind, Michio Miyagi's Arrival of Spring

This is Koto sheet music.
Sold as a set of 5 books.

Only the Michio Miyagi Composition Collection has some markings.
The pencil markings have been erased, but there are some areas where they could not be completely removed.

The other sheet music has no markings.

Thank you for looking.