FLCL Vol. 2 (Furi Kuri) (in Japanese)

Naota Nandaba's ordinary life is turned upside down when a mysterious, pink-haired woman named Haruko Haruhara crashes into him on a Vespa, wielding a bass guitar. This encounter unleashes a bizarre chain of events, including giant robots emerging from his forehead and an alien conspiracy. Naota must navigate adolescence while dealing with cosmic threats and the unpredictable Haruko.