暗中: the situation in the dark

(slang) going to or being graduated from the same middle school (中学校)

円柱: cylinder; column

爬虫: reptile

Counter for buildings, roofs, etc.

eaves; roof; house; building / the whole world; universe

a female given name

extraterrestrial; spirit; home; roof

vest, waistcoat

returning directly home / (business, specifically) returning directly home instead of to the company after a visit elsewhere / (web design, specifically) bounce