Vocabulary consisting only from characters you are able to read
kanji
こい に おちる
fall in love
kanji
しろくろ
(1)black and white, monochrome, (exp,vs) (2)good and evil, right and wrong, guilt and innocence
kanji
せつべくとる
tangent vector
kanji
れんあい
love/love-making/passion/emotion/affections/(P)