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Ithuru

もったいない

Mottainai: what a waste

Respect what you have. Small leaks sink big ships.

Mottainai is the feeling of regret when something useful is wasted: food, time, money, effort. It carries gratitude for resources and respect for the work behind them.

With money, mottainai shows up in small leaks: the daily delivery fee, the streaming service nobody watches, the third phone cover. Each looks harmless. Together they can cost more than a month’s rent every year.

Mottainai is not about being stingy. It is about using what you buy, repairing before replacing, and choosing quality that lasts.

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How Ithuru helps

A waste detector that finds small repeating purchases, unused subscriptions and spending you tagged as regret, and shows their cost over a year.

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Next guide: Takane no Hana: the flower on the high peak