凹: an indentation, a dip or divot, a hollow

cling to, adhere, stick fast / keep close to someone, follow / date, go out, be involved with someone romantically

横笛: any Japanese bamboo transverse flute

落書き: graffiti

着ぐるみ, 着包み: cartoon-character costume, a full body costume, typically of an animal, complete with full head helmet mask hat

天敵: natural enemy / 点滴: drop; intravenous drip

祈願: prayer / 危岩: steep rock / 奇岩: strange rock / 起龕: coffin removal ceremony

祈願: pray

虚構: fabrication, fiction / 挙行: celebration ceremony / 巨口: big mouth

挙行: hold a ceremony