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Kosaku is a Japanese masculine given name. It is composed of two kanji: 'Ko' (広) meaning 'wide' or 'extensive' and 'Saku' (作) meaning 'make' or 'create.' The name Kosaku often implies someone who is creative, expansive in their thinking, and capable of achieving great things.
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Both Kosaku and Aiko are traditional Japanese names with a gentle and elegant feel.
Similar to Kosaku, Haru is a short, evocative Japanese name meaning 'spring,' suggesting a connection to nature and new beginnings.
Rina shares the same soft and melodic quality as Kosaku, creating a harmonious pairing for siblings.
Both Kosaku and Kaito are strong yet sophisticated Japanese names with masculine energy.