New year's present.
OtoshidamaHere.New year greeting to Nagato onee-sama. We hope for big fortune for the world's Big 7 too this year. January 12thWatch out! It may be a New year's bomb in there!
お年玉 (New Year's money) and お年弾 (New Year's Bomb) have the same pronunciationBig sevprise!びっくり: Surpise
ビッグ: Big
Note that the last り has been written to look like a 7, too