Writing a Love Letter in Japanese: Words of Affection and Tone
A love letter in Japanese usually says less, and means more, than an English one: feelings are often shown through specific memories, gratitude and care for the other person rather than through big declarations. 好き (suki, “I like/love you”) and 大好き (daisuki) are the everyday words of affection; 愛してる (aishiteru, “I love you”) is much heavier and used sparingly. The best letter sounds like you, in natural Japanese, so it’s worth getting help from a person rather than an app.
How Japanese expresses love
Many Japanese couples rarely say “I love you” out loud. Affection is shown through attention and small actions, and a letter is one of the places where people do put feelings into words. Even so, a natural Japanese love letter tends to be:
- Specific: remembering how you met, a day together, something they said.
- Grateful: いつもありがとう (“thank you for always being there”) carries a lot of love in Japanese.
- Caring: asking after their health, telling them not to overwork.
- Understated, with the strongest line saved for the end.
Words of affection
- 好きです / 大好きです: “I love you” in the everyday sense. Common and sincere.
- 愛しています: deep, serious love. Powerful in a letter precisely because it’s rarely said.
- 会いたい: “I miss you” or “I want to see you”. Very natural in a long-distance letter.
- そばにいてくれてありがとう: “thank you for being by my side”.
- これからもよろしくね: literally “please keep treating me well from now on”, a warm way to say you see a future together.
Casual or polite?
Most couples write to each other in casual Japanese, the way they talk. Some people switch to polite です・ます for a special letter, such as an anniversary or a proposal, to make it feel serious. Neither is wrong, but mixing the two within a sentence or two sounds odd. Our guide to casual and polite Japanese explains the difference.
Occasions
- Anniversaries and birthdays.
- Long-distance relationships, where a letter in the post feels special.
- Valentine’s Day and White Day, which in Japan come with their own customs.
- A proposal, or a letter read at a wedding. See giving a wedding speech with Japanese guests.
Why AI and apps fall short here
Machine translation tends to translate English love language word for word. “You are my everything” and “I can’t live without you” come out dramatic, like song lyrics, or unintentionally funny. Apps also choose 愛してる for every “love”, mix casual and polite forms, and lose your personality. Your partner will notice. A native writer can translate the feeling rather than the words, and keep it sounding like you.
Keeping your voice
- Write your letter first in your own language, as you’d really say it.
- Mention private jokes or nicknames and explain them, so they can be carried over.
- Tell us how you and your partner usually speak to each other.
- Consider handwriting the Japanese yourself. Even imperfect handwriting is part of the gift. See handwriting a Japanese letter.
Privacy
Love letters are as personal as it gets. We keep everything you send confidential and use it only to write your letter.
How Hanabuddies can help
Send us your letter in English and tell us a little about your relationship. A native Japanese writer will turn it into natural, heartfelt Japanese, with an English version so you know what it says. If you’d like to say these things yourself one day, see learning Japanese for your partner.