Rena Asteria

Rena Asteria is one of the supporting heroes in Crossover War Heroes.

Personality
Rena Asteria is friendly and loyal sister to Yuinshiel Asteria. Rena is aware that Yuinshiel is having some decisions or not. She'll stop at nothing until she supports her sister to bring peace to the world. So that, no threats and kindappings will come to her. She is very emotionless.

History
Rena Asteria was first mentioned only in the story by Ruuji Familon. Ruuji and the gang believe that she is the supporter to Yuishiel Asteria and her followers.

Rena Asteria made a major debut in the 4th episode as the supporter to Lady Yuinshiel Asteria and her followers. She peacefully helps her supportive allies: Carly Carmine, Kenzo Tenma, Kudelia Aina Bernstein, and Atra Mixta to give them the instructions to have a successful meeting with the people from Mars. So that, her sister's plans can be successful anytime.

After Tekkadan has left their homeplanet, Rena and Yuinshiel's followers were visited by Leo Conrad and Sally Land for the first time. Upon the meeting was done, she and Lady Yuinshel give instructions to each both of them that Leo and his girlfriend can become sacrificial evolution vessel for Wild Liger into Beast Liger, and then Rising Liger. She and Yuinshiel hired the four Cyberse Duel Monsters: Decode Talker, Encode Talker, Backup Secretary, and Backup Operator. Following the defeats of the Bruters, she and her followers continued their duty. Suddenly, she and her followers realized that Luigi Latorre and his friends have been sided with Tekkadan. When Yugo Ogami and Alice Tsukagami were kidnapped by KOG. She decided to hire more new heroes for the following: Joe Maya, Rene Ai, Mike Coil, Yuri Miyata, Megumi Meguro, and Ruuji's female friends. She gets accompanied by Lady Vladilena Mirize; so that, she can be more supportive and powerful. When the meeting of the united forces of Transylvanian Business and Tekkadan were finished. Yuinshiel, Rena and her followers participate in the war against Tekkadan and Transylvanian Business. The tables have turned. KOG arrived to attack Yuinshiel and her followers. After the fight, she and her followers are victorious to drive off their enemies.

Following the deaths of Leo Conrad and Sally Land, she and the heroes continued their journey while escorting Futaba and Chitose. During discussion with Hazuki Kagimura, Rena told Hazuki that her brother is indeed the creator of Duel Monsters and the professor who studies the relationship between humans and many species. After the encounter with Isaac (Master Logos), Rena herself was revealed to be the aunt of Kon Tatsumi.