second year of high school; second-year high-school student
shut-in; stay-at-home; hikikomori; social withdrawal; shunning other people
always; all the time; never; usual; regular
around the world; throughout the world
certainly; of course; even if; no matter (who, what, when, where, why, how); without even; without so much as; at the (least, earliest, etc.)
to be lost (e.g. luggage); to be missing; to be used up; to be run out; to disappear (e.g. pain); to be lost (e.g. a dream, confidence)
to think (about, of); to think over; to consider; to bear in mind; to think (that); to believe; to intend (to do)
parent; parents; dealer (in cards, mahjong, etc.); banker; founder; inventor; (pet) owner
siblings; brothers and sisters; brothers; siblings-in-law; brothers-in-law; mate
to disappear; to vanish; to go out (of a fire, light, etc.); to die; to fade (of a feeling, impression, etc.); to vanish (e.g. of hope); to go away (e.g. of a smell, itchiness, sleepiness)
then; and then; and; if so; because then; if that's the case
one day; (on) a certain day
other (place, thing, person); the rest; outside; beyond; nothing except; nothing but
unfortunately; unluckily; regrettably
duty; responsibility (incl. supervision of staff); liability; onus
subject; theme; homework; assignment; task; challenge
to leave (behind); to leave (undone); to not finish; to save; to set aside; to leave (to someone, esp. after one's death)
crowd of people; great number of people; in great numbers
death; decease; (arch.) death penalty (by strangulation or decapitation); (an) out
that is to say; that is; in short; in brief; clogging; obstruction; shrinkage
large number of deaths; massive fatalities
to fuss over; to be particular about; to be obsessive about; to be fixated on; to obstruct; to hinder
like; similar to; as with; in the same way
this world; this life; world of the living
no sooner than; as soon as; immediately after; at the thought of; when I think about
by means of; due to; because of; according to
in an instant; instantly; in a moment; instantaneously; in the twinkling of an eye
emotion; feeling; feelings; sentiment
to hold (in one's hand); to take; to possess; to have; to maintain; to keep; to last
dead person; (the) deceased; (the) dead; casualties
thought; imagination; mind; desire; wish; love
definitely; absolutely; absolute; unconditional; absoluteness
impossible; unlikely; improbable
favorite; favourite; pet (e.g. teacher's pet); bookmark (in web browser)
either way; in any case; one way or another
sudden; abrupt; urgent; pressing; steep; sharp; rapid
to disappear (of people or animals); to go (away); to leave; to no longer exist