Cross-Over by Pixiv Id 63117 #1996143
Mangaka: Pixiv Id 63117,
Uploaded by 
Kogasa on Apr 29, 2016,
Beware of coerced donations.
Beware of witch burglary.
Beware of opening gaps.
Beware of going out during a full moon.
Beware of hungry nocturnal youkai.
Beware of frog resonance.
Caution: Exam preparation in progress.
Caution: Photography is forbidden.
Beware of hallucinatory electro-magnetic waves.
Caution: Air conditioning.
Beware of dog.
Caution: Steep stairs.
Caution: Medical Experiments.
Caution: High temperatures. Do not approach.
Caution: Inventory count in progress.
Pixiv Id 63117, Keroro Gunsou, Touhou, Mystia Lorelei, Ex Keine, Keroro (Character), Myon, Hakurei Reimu, Cirno, Kirisame Marisa, Izayoi Sakuya, Patchouli Knowledge