"Nene steps into the spotlight! The mermaid kingdom hasn't forgotten her, and they're back to claim what's theirs! Can Hanako protect her from becoming permanently fishy? Meanwhile, Kou makes friends with an odd ghost haunting the entrance to the middle school division. Kou has no idea who this guy was when he was alive, but that doesn't mean he can't help him solve his unfinished business! Will the junior exorcist be able to help this friendly ghost pass on ...?"--Provided by publisher

Translation of: Jibaku shonen Hanako-kun volume 4. Reads from right to left. "First published in Japan in 2016 by Square Enix Co., Ltd."--Colophon "Originally published as an ebook in February 2018 by Yen Press."--Colophon