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

円柱: cylinder; column

爬虫: reptile

in the middle of a conversation; on the other line of the phone

an age category for differentiating entrance fees, for ages higher than 小人 and lower than 大人. / go-between, mediator

person who is inside a kigurumi costume / (by extension) person behind something / voice actor of a character

a land, a large place / a country in general, a region / a country as in a nation, a state / the office of emperor, the crown; affairs of state / a province of ancient Japan

天国: heaven

蟻地獄: an antlion larva

極位: / 極意: / 獄衣: prison clothes