赤松: Japanese red pine (Pinus densiflora), also known as the Japanese umbrella pine or the tanyosho pine

明星: a bright star or shooting star / 赤星: a red star or shooting star / 赤星, 明星: the morning star, Venus, especially when seen in the east just before dawn / 赤星, 明星: (rare) Jupiter / 赤星, 明星: (rare) Antares

明星, 赤星: a surname / 赤星: Akaboshi Station on the Yosan Line in Shikokuchūō, Ehime Prefecture / 赤星: Mount Akaboshi, roughly 3.4 miles or 5.5 kilometers south of Akaboshi Station

Doederleinia berycoides (fish)

赤毛: red hair

bloodworm, various worms of the family Eunicidae; often used as fishing bait or fish food / red velvet mite, harvest mite, various mites of the family Trombidiidae; (especially) Trombicula akamushi

relationship, relation / involvement, participation / personal connection, family relationship / romantic relationship

an interest, interests in

(grammar) perfect tense

(formal, euphemistic) fleshly relations: sexual intercourse