諸君: you

消滅: lapse of a right; death, extinction; vanishing.

初秋: beginning of fall (autumn) / 所収:

red food colouring

retirement

one's sister regardless of age difference / one's lover or sweetheart who is the subject of marriage or is already married / (archaic, said from a female speaker) a close female companion

Indonesia

mental image, one's impression or the image that comes to mind / impression; personal image; persona; face / artist's impression

to think of (something), to picture, to conjure up

indium