Combine the star power of a Japanese celebrity, amazing CGI effects, a top-selling game title, and a healthy dose of comedy and what do you get? The No. 1 YouTube ad for March. Also deserving of a special mention is a series of Thai ads in the top 10. Occupying the fifth, seventh, and 10th spots, the series rides on the popularity of an ongoing Thai hit TV soap opera with a creative storytelling approach that showcases its product offering while still delighting audiences.