Ever since he was little Kazuhiro used to go on adventures with Mary in an alternative world until both of them got transported to Japan. Kazuhiro works for a big corporation and before the arival of Mary in his life his only hobby was sleeping, as it was through his dreams he was able to enter Mary's world.

Kazuhiro Kitase's main hobby is sleeping. Ever since he was young, he would enter a world within his dreams and go on exciting adventures. As he grew older, he became acquainted with a female Elf and the two have now been united through a Dragon's brand! As he wakes up one day, he notices a familiar figure sleeping next to him...the Elf girl from his dreams?! Join Kazuhiro on his new adventures through Japan with the lovely Ms. Elf!
 
(Source: J-Novel Club)

Serialization of the Syosetu web novel with the same title.
 
Kazuhiro Kitase's main hobby is sleeping. Ever since he was young, he would enter a world within his dreams and go on exciting adventures. As he grew older, he became acquainted with a female Elf and the two have now been united through a Dragon's brand! As he wakes up one day, he notices a familiar figure sleeping next to him...the Elf girl from his dreams?! Join Kazuhiro on his new adventures through Japan with the lovely Ms. Elf!
 
(Source: J-Novel Club)

Ms. Elf is intrigued by Japanese culture?!
 
Working adult Kitase Kazuhiro’s hobby is sleeping. Ever since he was a child, he’s had exciting adventures in the mysterious other world he dreams about. One day, while exploring ancient ruins with an elf girl he befriended, he is unfortunately burned by the breath of a magic dragon he encounters.
 
When he awakens from his dream, an elf girl who shouldn’t be in his room is sleeping next to him… 

(Source: Crunchyroll)

__Height:__ 164 cm
__Hobbies:__ darts, driving, games, karaoke
__Skills & Abilities:__ acrobatics, karate, singing

[Profile (YU-RIN Pro)](https://yu-rin.com/pro-man/kobayashi-yusuke) | [Twitter](https://twitter.com/yusuke032510)

On January 1st, 2025, it was announced that he had gotten married to voice actress [Yumi Uchiyama](https://anilist.co/staff/106784/Yumi-Uchiyama).

__Non-Anime Roles:__
~! - Arslan in "Arslan Senki x Musou" (VG) (Japanese)
- Itaku in "Utawarerumono: Futari no Hakuoro" (VG) (Japanese)
- Opoona in "Warriors All-Stars" (VG) (Japanese)
- Ranmaru Mori in "Sengoku Night Blood" (VG) (Japanese)
- Sigurd in "Guardian's Violation" (VG) (Japanese)
- Takeru Akabane in "Code of Joker Edge" (arcade game) (Japanese)
- Terumi Niida; Kaoru Shishibara in "Prince of Stride" (VG) (Japanese)
- Tokugawa Ieyasu in "Hana Oboro ~Sengoku Den Ranki~" (VG) (Japanese)
- Tōshirō Shinano in "Touken Ranbu -ONLINE-" (VG) (Japanese) 
- Byleth in "Fire Emblem Three Houses-" (VG) (Japanese)
- Kalpas in "Honkai Impact 3rd" (VG) (Japanese)
- Xavier in "Love and Deepspace" (VG) (Japanese)!~

[Twitter](https://twitter.com/keeeko_watanabe)

Keiko Watanabe is a Japanese voice actress. Currently freelancer, until the end of 2019 was affiliated with Crazy Box.