A neighbor and childhood friend of Kazuto. She has considerable powers with the ability to attack with demon wards and to create barriers.     ~!She sealed away Hydra&#039;s powers after Hydra crash landed on her family&#039;s shrine and started wreaking havoc. She seems to have feelings for Kazuto as she is always stopping at his bathhouse. However, she never acts on these emotions, which she greatly regrets at times, as he and the princess Valkyrie grow closer together. She later has to face the fact that they are in love and intend to marry. A couple of things to note is that Akina is a horrendous karaoke singer, and that she is quite self-conscious about the size of her chest. In the beginning of the 2nd season, Valkyrie uses her power to make Akina&#039;s breasts grow to an immense size (At Hydra&#039;s joke request), which turns out to be a satisfying moment for her.!~

UFO Princess Warukyure, aka UFO Princess Walkyrie is about a princess from outer space who accidentally crashes on earth, where Kazuto desperately tries to maintain the public bath of his grandfather. Due to circumstances, Kazuto receives part of princess Walkyrie's soul which forces her to stay there with him. But that's not the only problem ... because her soul lost strength, the princess transforms both mentally and physically into a little kid! 
(Source: AniDB)

Saeko Chiba took up ballet at a young age with ambitions of becoming part of Takarazuka Revue. However, having failed the entrance exam for Takarazuka Music School in her third year of middle-school she joined the Minami Aoyama Shōjo Kageki Dan (南青山少女歌劇団, also called Nanshō for short) a stage group for teenage girls. Having had several lead roles over the three years she spent with the troupe, Saeko was then cast in the lead voice acting role of Kotori Haruno in the Sega Dreamcast game Diamond Daydreams. Having had a taste of being a seiyū and deciding that she preferred voice acting to performing on stage, Saeko decided to pursue the career full-time.

Saeko has also pursued a singing career with [Yuki Kajiura](https://anilist.co/staff/100077), who wrote music for some of the Nanshō stage shows, writing and producing almost all her material. Her first single was Koi no Kiseki, the theme song for the PlayStation game Meguri Aishite. She has since released nine singles and two albums, along with various character song and drama CDs. She has also performed theme songs for games such as Alundra 2 and Atelier Judie.

Saeko was also part of the group tiaraway with fellow Nanshō member [Yuuka Nanri](https://anilist.co/staff/95366). The duo released three singles and an album before breaking up on March 6 2005.

On August 26th, 2007 she married (on her 30th birthday), and on February 17, 2011 she gave birth to her first child, a daughter.

Valkyrie, Kazuto, Akina, Hydra and friends are back for more when the Key of time suddenly appears along with many other mysterious happenings. All seemed to be linked to a person named `Valkyrie Ghost` who`s only goal is stealing Kazuto for herself. As they team up against this seeming unbeatable foe they dig deeper into the mysterious past of Valkyrie`s home planet, Valhalla. 
(Source: Anime News Network)

A spaceship lands on a bathhouse which belongs to Kazuto's family. Inside is Princess Warukure (Valkyrie) who gives part of her soul to Kazuto to save him from death (caused by her crash). 
Since she only has half of her soul, she turns into her child self. Now Kazuto and company must figure out how to fix the bathhouse and change Warukure back to normal. 
(Source: Cidsa)

Akina Nanamura