This heart-shaped magical girl staff is often used by Haruna Kojima to defend herself and others while in battle.
Kojiharu will tap the offender, shocking them into submission. Unlike other AKB0048 members, she does not regularly use the micsabers. This is likely due to the fact that this a weapon designed personally for her to use.
The staff is a short staff with a dark pink heart. The heart sends out a blue electrical shock to the offender.