(archaic) this way, here / (archaic) the person in question, he, she, him, her / (archaic) since (a time in the past), prior to (a time in the future) / (archaic) first-person pronoun: I, me, we, us

小向: a surname

日記: a diary or journal

て来る: to be gradually approaching oneself

(Internet slang) It's here!

painting black; painted black

to paint black

騎兵: cavalryman

喜平: a male given name

(slang, colloquial) Short for キモカワイイ.