2boys, bed_sheet, biting, couple, dyed_bangs, hikaru_no_go, holding_another's_wrist, hun_(endlesslovehikaru), looking_at_viewer, male_focus, monochrome, multicolored_hair, multiple_boys, necktie, on_bed, out_of_frame, portrait, pov, pov_hands, shadow, shindou_hikaru, short_hair, sideways_glance, solo_focus, striped_necktie, two-tone_hair, yaoi