S1·E37 Tears on a Red Sweater

It's cold in space."Upon realizing that Harlock knew who Shizuka's real identity is, she deems that she has failed in her mission. Harlock was going to banish her from his ship but he sees Shizuka help someone out and reconsiders. He decides to let her stay on the Arcadia but she then tries to blow up the main computer! Harlock scrambles to get the bomb out of the way and almost dies! The truth is that Shizuka was in love with Harlock, and as she couldn't live her life as a failure, she wanted to die by Harlock's doing.