A couple of anime characters with blue eyes and black hair

1 boy，High school boys，pupils，校服，Black top，black color hair，short detailed hair，ldisheveled hair，Dark blue eyes，Gloomy，Introverted，Brother's，Half of the face，Thinking，Neutral in appearance，white backgrounid，head portrait

(nsfw:1.5),(worst quality, low quality:1.4), monochrome, zombie, (interlocked fingers:1.2), (cleavage:1.2, ((bare shoulders, bare arms))), (((nude),naked,nipples, nsfw)),