Yes, he will! Ruby and Aqua always had an invisible string tying them to each other. No matter the distance or lifetime, they were meant to live their lives together with or without knowing it. One lifetime wasn’t enough for them to solve all of their loose ends. Hence, when reincarnated, the two became children of their favorite idol, Ai Hoshino, but how did Aqua find out that Ruby is Sarina? or did Ruby find out about it first? Read on to find out more!
Due to being a doctor in his previous life, one cannot deny that Aqua is immensely intelligent. Aqua is someone who takes great advantage of his knowledge and skills in order to lay out his plans and put them into action smoothly.
In his reincarnated life, Aqua’s goal is to utilize all the means he has in order to uncover the mystery surrounding her mother’s death. But, while on his path to revenge, Aqua is unaware that one of the most precious people in his previous life was always on his side, his twin sister, Ruby Hoshino, or, as he better knows her, Sarina Tendouji.
Who is Sarina Tendouji?
Sarina Tenjouji was Ruby Hoshino before being reincarnated. She was a young girl who spent most of her time inside the dull white walls of the hospital. Sarina was introduced in the first episode of Oshi no Ko and was one of the prologue characters of the series. Although she didn’t get to live her life beyond 12 years, her impact on one of the dearest people in her life lasted forever.
Sarina was seen to be a lively and bright girl despite her illness slowly stealing her beautiful life away from her. None of her family members were seen to be visiting or attending to her at the hospital. But still, she was always full of joy because of the passion she had for idols. Sarina, now known as Ruby Hoshino, is a die-hard fan of Ai Hoshino. At the time of Sarina’s hospitalization, Ai was one of the top idols, if not the biggest one.
She may have wanted to attend all the concerts of B-Komachi and spend her time with her family at home. However, her illness, anaplastic astrocytoma, kept on getting worse. This prevented her to do almost everything she wanted and needed to do. Anyone who would have been in Sarina’s shoes might have fallen into a great depression, but she’s different. Sarina chose to see the good side of life despite her situation. This is by supporting Ai even from afar. Also, from one of the friendships she was able to build through one of the doctors in the hospital, Gorou Amamiya.
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Gorou Amamiya was another fan of Ai because of the influence of Sarina. She was one of the doctors who was working where Sarina was admitted. His energetic, compassionate, and dedicated personality as a person and a doctor allowed Sarina to find a familiar comfort in him. Gorou Amamiya, now known as Aqua Hoshino, easily became attached to Sarina because of her sweet personality. Gorou saw a strong and brave girl, making him admire her more each day.
Sadly, Sarina’s sickness got the best of her, which caused her death. But despite her being gone, Gorou continued to support Ai Hoshino, maybe as a remembrance of what Sarina used to love and enjoy while she was still alive. Gorou even made a picture of Sarina as his phone lock screen, showing that he never wants to forget her.
Moreover, after being caught up in another tragedy that killed his life, Gorou Amamiya was reincarnated as Aqua Hoshino or as one of the twins of his favorite idol, Ai. However, what he doesn’t know is that the girl who shares the same passion he has for Ai is the same girl that got him into the world of idols and the one who introduced him to Ai Hoshino.
In fact, one of the recent chapters of Oshi no Ko revealed one of the most anticipated moments in the whole series. Since the beginning of the story, the connection between Sarina Tendouji and Gorou Amamiya was not kept a secret by the fans. However, what kept a lot wondering was how long it would take for them to find out their previous identities.
A Peak in Aqua and Ruby’s Life
Aqua Hoshino (Gorou Amamiya) and Ruby Hoshino (Sarina Tendouji) were coincidentally reincarnated as their idol’s twin children. Gorou died not long after Sarina; however, he didn’t know that even in his second life, his dear friend was present. Aqua and Ruby were able to maintain their experiences, memories, and knowledge from their previous life. However, they didn’t bother asking questions from each other.
Aqua was able to realize early on that he and Ruby were both reincarnated. This is because he caught her fangirling over Ai Hoshino and angrily replying, despite being a baby, to all the hate that people post about Ai. As an adult in a baby’s body, Aqua didn’t interfere much with the life of his twin as long as they were able to keep their secret as reincarnated babies from everyone else.
They were both cautious as babies because they loved being the children of Ai, who was always around there for them and taking good care of them. Thus, when Miyako Saitou found out that they were suspiciously too mature as babies, the two worked together for the first time to prevent her from exposing their secrets. Aqua pretended to be one of the messengers of the gods, while Ruby falsely claimed to be the reincarnation of Amaterasu, a Japanese God.
Furthermore, when the two enrolled at kindergarten, Aqua asked Ruby for the first time about her previous life. Out of the blue, Aqua opened the topic about Ruby’s previous life, such as what she was doing, as well as her age. But because of her fear that Aqua might belittle her if he found out that she was younger, Ruby insisted on being a grown woman and told him not to bother asking her questions about her previous life.
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Aqua understood Ruby’s words greatly because even he himself does not want people prying about his previous life. For Aqua Hoshino or Gorou Amamiya, his previous life was devastating to live or even just to think about. Therefore, the two didn’t ask questions of each other and merely enjoyed their lives. Unfortunately, their peaceful life was destroyed when Ai Hoshino was stabbed and killed by a delusional fan.
As they grew older, Aqua changed and focused all of his attention on finding out his mother’s killer. On one hand, Ruby was dedicated to fulfilling her dreams of being a top idol like her mother. On the side, Aqua never forgets to check every now and then if his body Gorou Amamiya which was killed in the middle of the forest was ever found. At the same time, Ruby was too focused on her life as Ruby Hoshino, not until a certain incident.
Spoiler Warning: This part of the article contains major manga spoilers that are yet to be animated. Read at your own risk.
When Did Aqua Found Out that Ruby is Sarina?
Aqua found out that Ruby is Sarina Tendouji because of a precious gift that she once gave him in their previous lives. In chapter 119, Ruby suffers in mastering the needed acting skills for one of the greatest roles she ever booked – to star as Ai Hoshino in a film. Kana Arima pointed out that she needs to understand herself and the love of a mother.
After having intrapersonal communication with her previous self, Ruby decided to visit her mother’s place from when she was still Sarina in chapter 120. To her surprise, it felt like her mother didn’t lose anyone previously in her life, much more her daughter. Ruby saw Marina Tendouji happily living her life with her son and daughter.
Although she was no longer Sarina Tendouji, Ruby felt like a fool for believing all those years that the love her mother had for her was genuine. Ruby went home and cried her heart out while holding onto the keychain she found in Gorou’s corpse. Hearing his sister loudly crying made Aqua go to her, but even he was surprised to see that Ruby was holding onto the keychain that he once owned in his previous life.
In chapter 118, he met Sarina’s mother, Marina, in the bar because she was from an advertising agency which is somehow connected to his line of work. Aqua saw how cruel Sarina’s life was from how Marina proudly lived her life and showed pictures of her children, excluding Sarina-chan. The keychain gave away everything to Aqua. Therefore, when he saw the keychain, Aqua finally figured out who Ruby was all along.
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Aqua tried his best to comfort his twin sister, who was having a meltdown. He tried to stop her from crying, but because Aqua also had done something that hurt Ruby, she tried to push him away and kept on shouting the reason why she always wanted to be on top.
The reason I became an idol and kept climbing higher and higher is because I want to find the person who killed Mama and Sensei, so I can avenge them. No matter how long it takes, I’ll definitely find them and make them regret that they were ever born.
Ruby Hoshino to Aqua Hoshino (Chapter 122)
Aqua hearing the word sensei from Ruby and seeing her holding his Ai keychain made him realize that Ruby is indeed the young girl from the hospital he used to work at. In fact, while comforting Ruby, Aqua couldn’t help but utter the name Sarina while looking at Ruby. This stopped Ruby from having a breakdown and made Aqua repeat the name he just called her.
What Happens After Ruby Finds Out Aqua Is Gorou?
Ruby was taken aback for a bit because the brother he grew up with used her previous name, Sarina, while comforting her, and he knew all about the happenings in the hospital while she was admitted. Ruby connected all the dots and saw Gorou Amamiya in his twin brother, Aqua.
Many fans have always wondered about the reaction of both when they found out who each other really was before being reincarnated. Some assume that it would be a devasting reunion with all that tragedy that happened, while some hoped that it would be a touching reunion. Well, in chapter 122, Ruby emotionally cries and hugs Aqua after finding out that he is Dr. Gorou Amamiya.
It was a heartfelt reunion between the two. Ruby’s hug conveyed her relief, happiness, and longing for Gorou or his sensei after all these years. Chapters 121 and 122 initiate that Oshi no Ko manga has started to make the two worlds, Ruby and Aqua’s previous and current life, collide. Ruby and Aqua, finally having their long-awaited reunion, expressed that everything is just getting started and more exciting for the characters in Oshi no Ko.