Unboxing of the first volume of Hanayui no Kirameki, which is basically a visual novel/offline port of the Gacha game, but with everything voiced.There are a lot more characters that appear compared to the anime.
Also, the red hair girl in the first volume is not Yuuki Yuuna, but Takashima Yuuna. That is why I recommend watching all three seasons before playing this, and it's only in Japanese.
I know that Takashima Yuuna and Yuuki Yuuna look almost like the same person, but this sub story is quite funny regarding this fact.
Not to mention, Yuuki Yuuna actually meets Takashima Yuuna in her dream during the third season (which focuses on the extra stories important to the Hero Chapter
Half way done with Yuki Yuuna wa Yuusha De Aru Yuusha Sou and well, it started with a bang for sure. Mimori is missing, but Sonoko joined the club, and they didn’t notice that they are missing someone until Yuuna and Sonoko remembered Mimori.
Mimori apparently sacificed herself for what she did for damaging part of that wall. Of course, she knew that Yuuna and her ffriends are going to find out and end up saving her. Yuuna finds out why she did it and rescues her, but at a cost with a mark on her body. However, when she tries to bring it up, her friends get unfortunate things happen to them, and in one instance, Fu getting hit by a car. That seems crazy.
I kind of feel bad for Yuuna, given what she is going through, yet she can’t tell anyone. However, she has to reveal it at some point, right?