Hikari Madoka

Hikari Madoka (ヒカリマドカ Madoka Hikari) is the daughter of Daigo and Rena and the older sister of Tsubasa.

History
Ultraman Dyna

After the battle with Queen Monera, the entire Super GUTS reunite to celebrate their victory and Iruma soon receives a visit later that day from a little girl who Iruma thinks that she strays but this girl said that she came to meet Iruma and then Rena paid a visit to Iruma, which revealed that this girl is the daughter of Daigo and Rena. And then, Seiichi, Tetsuo & Horii also visit Iruma's place, reunite each other for 9 years didn't meet. In the end, Seiichi gives Iruma some roses.

In the end of the series, Daigo rescued Asuka from the Martian dunes and brought him to his bio-dome where he met his family. Later, after Dyna was sucked into a wormhole, Daigo is seen in his damaged garden musing aloud that he wished Asuka good luck, somehow knowing he was still alive.

Ultraman Tiga Gaiden: Revival of the Ancient Giant

While in a mission with Neo Super GUTS, Tsubasa (the son of Daigo and Rena and Hikari's younger sister), she speaks to Tsubasa through the radio and said that they already celebrated a party for Tsubasa's graduation and when Tsubasa returning, he is caught in a sudden storm and encounters a monster. In aftermath of the battle, Tsubasa met Mahoroba for the last time and noted her similarities to his sister, Hikari, hinting that she may be his ancestor. He soon repaired the GUTS Eagle Alpha Superior and return to his proper timeline through unknown means.

Trivia

 * Her given name Hikari (ヒカリ) is mean "Light", which makes she shares the name with an Ultra, Ultraman Hikari.