Yûki Inoue

Japan in the near future suffers an unexplained major disaster. Five years later, reconstruction is well underway. Two young researchers at a university are pinning all their hopes on robot development. Now their new interpretation of the eternal hero Astro Boy up until his birth is just about to start! (myanimelist)

The time of the New Generation Heroes is drawing to a close. Hiroyuki is being targeted by a dark power, forcing the other Ultra Heroes, from Ginga to R/B to appear and help the Tri-Squad battle these evil forces. But among them is Taiga's father. What has happened to Ultraman Taro?!

Yuka is a pop idol set for her solo debut, but she cannot sing. She enrolls in a voice training camp run by a dubious voice coach, whose insanity soon becomes apparent. She believes Yuka is unworthy of being an idol and holds her captive.