Hisashi Imai(今井 寿,Imai Hisashi?, born October 21, 1965 in Fujioka, Gunma, Japan) is a Japanese musician and songwriter. He is known as lead guitarist of the rock band Buck-Tick since 1983. He has also performed in musical side-projects such as Schaft (1991–1994), Schwein (2001), and more recently Lucy (2004).
In 1984, when Imai and Araki graduated high school, they moved to Tokyo together, where Imai entered design school. In 2008, he announced on his blog that he got married. He announced the birth of his first child in August 2013. Throughout Buck-Tick's long career, he is the most credited songwriter.
Lucy, Imai's most recent project, is another side-project where he is guitarist and vocalist. Formed in 2004 it includes guitarist and vocalist Kiyoshi (ex. Spread Beaver, Machine) and drummer Katsushige Okazaki (Age of Punk). Lucy has released 2 albums; Rockarollica and Rockarollica II, 3 DVDs; Lucy Show - Shout, Speed, Shake Your Rockarollica, Lucy Show 002 Live at Unit and Lucy Show 002 Live at Studio Coast, and 1 single; "Bullets -Shooting Super Star-". However they have not been active since 2008.