Vocabulary consisting only from characters you are able to read
回り
mawari
(1)circumference, perimeter, edge, (2)surroundings, locality, neighborhood, (3)rotation, circulation jlpt3
引きこもり
hikikomori
(1)a shut-in, a stay-at-home, people who withdraw from society (e.g. retire to the country), (2)social withdrawal, shunning other people mix
火力
karyoku
heating power, steam powermix