Hanasakeru Seishōnen is a Japanese manga series written and illustrated by Natsumi Itsuki. Set in the modern era, the story follows the path to romance of fourteen-year-old Kajika Burnsworth, daughter of powerful industrialist Harry Burnsworth, owner of the Burnsworth international conglomerate giant. Kajika agrees to participate in a "marriage game" with her father, in which she must select her future husband out of three men that her father has supposedly preselected for her.

Toshiyuki Morikawa is a Japanese voice actor, narrator and singer who is the head of Axlone, a voice acting company he founded in April 2011. His name is sometimes, although incorrectly, transliterated as Tomoyuki Morikawa. In 2003, he and Fumihiko Tachiki formed the band "2Hearts", one of their works being the ending theme of the video game Dynasty Warriors 4: Empires. He has voiced many characters in anime and video games, including Yoshikage Kira in JoJo's Bizarre Adventure: Diamond Is Unbreakable, Kengo Akechi in Kindaichi Case Files, Sephiroth in the Final Fantasy series and Kingdom Hearts series, Dante in Devil May Cry, Kagaya Ubuyashiki in Demon Slayer: Kimetsu no Yaiba, Isshin Kurosaki in Bleach, Minato Namikaze in Naruto: Shippuden, Julius Novachrono in Black Clover, Mard Geer Tartaros in Fairy Tail, Eizen in Tales of Berseria, Boros in One Punch Man, both Eneru, Hatchan and Scopper Gaban in One Piece, Tyki Mikk in D.Gray-man, Naraku in Inuyasha, Griffith in the 1997 series of Berserk, Isaburo Sasaki in Gin Tama and the main and titular character of Tekkaman Blade. He attended Katsuta Voice Actor's Academy with Kotono Mitsuishi, Chisa Yokoyama, Wataru Takagi, Sachiko Sugawara, and Michiko Neya. Because of his deep voice, he is often cast as an imposing character. He is the current official dub-over artist of Ewan McGregor, Tom Cruise, Adam Sandler, Martin Freeman, Keanu Reeves, Jude Law, Chris O'Donnell, Colin Farrell, Brendan Fraser, Mark Wahlberg and Owen Wilson.