Renji Abarai is a fictional character in the Japanese anime and manga series Bleach created by Tite Kubo. In the series, he initially challenges Ichigo Kurosaki, the protagonist of the series, but he later joins forces with him to help rescue Rukia Kuchiki halfway through the Soul Society arc. He has since become a major character and one of Ichigo's main allies. His weapon is Zabimaru.

Bleach is a Japanese manga series written and illustrated by Tite Kubo. It follows the adventures of a teenager Ichigo Kurosaki, who obtains the powers of a Soul Reaper—a death personification similar to a Grim Reaper—from another Soul Reaper, Rukia Kuchiki. His new-found powers allow him to take on the duties of defending humans from evil spirits and guiding departed souls to the afterlife, and set him on journeys to various ghostly realms of existence.