楽

inside story; confidential talk

(musical) instrumentalist

Sumo

last day of a tournament

gagaku training place (Heian era)

place for playing instruments

hand-moulded earthenware teacup

pleasant circumstances; enjoyable matter

Buddhism

heaven of enjoying emanations; one of the six heavens of the desire realm

musical tone

Proverb

there's no pain without pleasure, and there's no pleasure without pain

metre or rhythm in Chinese and Japanese traditional music

words used to describe tempo, dynamics, etc. in music; musical terminology

Idiomatic expression

rapid growth of hair when one is relaxed

Idiomatic expression

rapid growth of hair when one is relaxed

carefree person; person living at his ease

optimism

to amuse; to delight; to entertain; to please; to regale; to give someone a good time; to impart delight; to give pleasure to

large 4-stringed biwa used in gagaku

Proverb

he who has never toiled, does not know what it is to enjoy repose

optimism bias

Computing

optimistic locking

Company name

Rakuten Securities

Product name

Rakuten Ichiba

Company name

Rakuten Bank

Company name

Rakuten Life Insurance