He has dealt with themes such as time-travel in The Girl who leapt through Time (1965), a massively multiplayer online game's virtual world in Gaspard in the Morning (1992), and dream-worlds in Paprika (1993).
[2] One of Tsutsui's first novels, Toki o Kakeru Shōjo (1967), has been adapted into numerous media including film, television, and manga.
[3] On April 4, 2017, Tsutsui was criticized for posting a tweet referring to the Statue of Peace, a memorial to victims of sexual slavery during World War II, stating, "That girl is cute.
The novel Paprika, translated by Andrew Driver, was published by Alma Books in April 2009 and again by Vintage Contemporaries (USA) in 2013.
Besides numerous film and TV acting credits, Yasutaka Tsutsui has published dozens of novels and short story collections, and records in Japan.