The phrase "Sunshine Girl" can refer to a cheerful girl, one whose kind and uplifting nature sparkles like sunshine; they figuratively bring a sunny mood wherever they go. The particular phrase, "100% Sunshine Girl" pays homage to the Japanese movie Weathering with You (Japanese: 天気の子, romaji: Tenki no Ko), which features a heroine that can manipulate the weather to summon sunny skies with a prayer.

This lettering exercise interweaves script-styled lettering with bubbly illustrations to create an art piece that is sure to brighten up any day. Here it is proposed as three different variations: its default design, a glass design, and a colorful acrylic design.