|Romanized Title||Kininaru aitsu wa SF-kei!|
|English Title||The One on My Mind is Into Sci-fi!|
|Airdate||Oct 27, 2014|
|Opening||Welcome!! DISCO Kemo Kemo Ke by Kokkuri-san Narration by Inugami and Shigaraki|
|Ending||This Merry-Go-Round Song by Atsushi Suemitsu|
|Previous Episode||Episode 03|
|Next Episode||Episode 05|
The One on My Mind is into Sci-Fi! (気になるアイツはSF系! Kininaru Aitsu wa SF-kei!) is the fourth episode of the Gugure! Kokkuri-san anime adaption.
Kohina got a new freeloader in her house called Shigaraki; a tanuki. Kokkuri-san and Inugami also meet Kohina's strange classmate Yamamoto-kun.