"Shigechi's" Harvest, Part 6(｢重ちー｣の収穫(ハーヴェスト) その⑥"Shigechī" no Hāvesuto Sono 6), originally The Brain's Instincts!(本能の頭脳！Honnō no Zunō!) in the WSJ release, is the three hundred fortieth chapter of the JoJo's Bizarre Adventure manga. It is also the seventy-fifth chapter of Diamond Is Unbreakable.