恐怖！？だんだん低くなる天井。
It’s a terrifying ceiling!? The ceiling gets lower and lower.
低くなる天井ロードとねこ。-The road which the ceiling becomes lower and Maru&Hana.-（動画）
恐怖！？だんだん低くなる天井。
It’s a terrifying ceiling!? The ceiling gets lower and lower.
