Sasaki mainly produces promotional videos. Theatrical releases directed by him include Fragment (2006), INNERVISION (2013), and Minorities & Sex, Strictly Personal Way of Love (2015). He has also produced works like Barrier-Free Communication (2014) for Fuji Television’s NONFIX series, and written screenplays for a number of film dramas such as GOEMON (2008), directed by Kazuaki Kiriya.