朗
ロウ, ほが.らか, あき.らか, あき, あきら, お, さえ, ろ

melodious, clear, bright, serene, cheerful

JLPT1 G6 S10 F1374

As per 良# (flowing stream) + 月 moon → stream of moonlight (compare 星) → *bright*; *clear* → *cheerful* (← bright personality).

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