| Boku wa Kimi ni Koi o Suru | |
| Cover: | Bokukimikoi_reg.jpg |
| Type: | single |
| Artist: | Ken Hirai |
| Released: | October 21, 2009 |
| Recorded: | 2009 |
| Genre: | Pop |
| Length: | 18:37 |
| Label: | Defstar Records |
| Prev Title: | Candy |
| Prev Year: | 2009 |
is Ken Hirai's thirty-second single, released on October 21, 2009, just a month after "Candy". The single was released in two formats: limited CD+DVD and regular CD only editions. The title song was written for the movie, starring Mao Inoue and Masaki Okada.[1]
In 2011, the song was certified as being downloaded more than 500,000 times as a full-length download to cellphones.[2]
| Release | Oricon Singles Charts | Peak Position | Debut Sales | Sales Total | Chart Run |
|---|---|---|---|---|---|
| October 21, 2009 | Daily Chart | 2 | 60,379 | 5 weeks | |
| Weekly Chart | 3 | 30,034 | |||
| Monthly Chart (October 2009) | 10 | ||||
| Yearly Chart (2009) | 87 | ||||
| Release | Chart | Peak Position |
|---|---|---|
| October 21, 2009 | Billboard Japan Hot 100 | 1 |
| Billboard Japan Hot Top Airplay | 1 | |
| Billboard Japan Hot Singles Sales | 3 | |
| Chart | Peak position |
|---|---|
| Oricon Daily Singles Chart | 2 |
| Oricon Weekly Singles Chart | 3 |
| Oricon Monthly Singles Chart | 10 |
| Oricon Yearly Singles Chart | 87 |
| Five Music J-pop/K-pop Chart[3] (Taiwan) | |
| Soundscan Singles Chart (CD+DVD)[4] | 3 |
| Soundscan Singles Chart (CD-Only)[5] | 15 |