Black Cicada

I read Taeko Kono 'Sakagoto' (Shinchosha.)

The man used to die when the tide is out.

But sometimes the man die when the tide comes in and we say it is 'Sakagoto'

The death of Yukio Mishima was 'Sakagoto.' He died when the tide is full.

She describes many events of 'Sakagoto.'