癒着: (medicine) to adhere; to have a collusive relationship

別腹: “separate belly”: in reference to siblings who share the same father but have different mothers

脚絆: gaiter

the twentieth day of the month / twenty days / Short for 二十日鼠 (hatsuka nezumi): a house mouse

a birthday

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month

regular day off (e.g. closed every Monday)

the real thing (of an event or action); getting serious / (entertainment) performance or (actual) recording (as opposed to a rehearsal)

a Japanese river otter (Lutra lutra whiteleyi)

a Japanese wolf, Canis lupus hodophilax