The serial's creators, Mattsu (the writer) and his wife Asuka Tsubuki (the artist), make appearances within the show. They are portrayed as as an alligator and hamster, respectively. An image of them on a cloud in heaven appears each time there is a mention of kami-sama (God), which happens once per episode.
In the opening credits, Yoshitaka is seen holding costumes and accessories for Izumi to wear: Asuka's plug suit from Neon Genesis Evangelion (1995) and Sakura's second wand from Cardcaptor Sakura (1998).
Based on the gag comedy manga by Mattsu (story) and his ex-wife Tsubaki Asu (artwork) which ran in Monthly Shounen Gangan.