Nowadays it's not so unusual that a girl proposes to a boy. Especially, Japanese boys are well-known for their shyness. When necessary, please try to use the following phrases to propose to your Japanese boyfriend. *We have made literal English translations for the sake of easy understanding. Please utilize them just for understanding the meaning of the phrases.
St. Valentine's day on February is the biggest event of the year for the girls in Japan to confess their love to the boys or even propose to their boyfriends. So go for it!
18 Phrases: How a girl proposes to a boy in Japanese
| 結婚しない？（しませんか？） |
| Shall we get married? |
| 恋愛は、あなたで最後にしたいな！ |
| I want you to be the last one I love! |
| 毎日「おかえりっ！」って言いたいな。 |
| I love to say "welcome back home!" to you everyday. |
| 私にはあなたじゃなきゃダメなの。 |
| It has to be you. |
| (Name) に似ている子供を産みたい（です）。 |
| I want to have a baby takes after you. |
| 私の人生をあなたにあげます。 |
| I will give you my whole life. |
| 好きです。結婚してください。 |
| I love you. Please marry me. |
| 結婚してくれませんか？ |
| Will you marry me? |
| これから先もずっと（Name）と一緒にいたい。結婚しよう。 |
| I want to share the rest of my life with you. Let’s get married. |
| ずっと（Name）のそばにいてもいいですか？ |
| Can I be with you forever? |
| 私を（Name）のお嫁さんにしてください。 |
| Please let me be your bride. |
| （Name）と一緒なら、他に何もいらないよ。 |
| I want nothing but to be with you. |
| おばあちゃんになっても（Name）と手を繋いでいたい。 |
| I want to hold your hands when we're old. |
| 初めて会ったときから、ずっと（Name）と結婚したいと思っていたよ。 |
| I have been wanting to marry you since I met you for the first time. |
| 私が（Name）を幸せにしてあげる！ |
| I will make you happy. |
| 私以上に（Name）を幸せにしようとする人はいないよ。 |
| No one will work harder to make you happy more than me. |
| 私と結婚したら、楽しいと思うんだけどな。 |
| I think we can enjoy the rest of our life if you marry me. |
| 他にも幸せになる道はたくさんあるかもしれない。けど私に必要なのは（Name）なの。 |
| There may be many ways to be happy in this life, but all I really need is you. |
Conclusion
As the saying goes "there is no accounting for tastes", please try to find a suitable phrase to propose to your Japanese boyfriend. Good luck.
Recommended Links
30 Phrases: How to Say “Thank You” in Japanese
Complete Explanation; What Does よろしく Mean?
How to Say “Don’t Worry about It” in Japanese
14 Romantic Phrases: How to Propose to a Girl in Japanese
Emotional Adjectives : How to Express Your Feelings in Japanese
