Emiya Shirou had many regrets in his life, before he lived his second life. He regretted imitating Kiritsugu's foolish desire to become a Hero, he regretted not having his own dreams and goals in life and instead borrowing Kiritsugu life goalz, he regretted spending his life with Altruism which had clearly led his life into a ruin, he regretted making a pact with a devil named Alaya and became a Counter Guardian that making him doing a lot of killings in the name of humanity, he also regrets not being able to live together and marry Rin in his past life and choose to became a hero.
And Shirou last regret was when he could not save Illya who died due to her body being slowly failing due to various modifications made by Jubstacheit von Einzbern, Illya grandfather. In Shirou's previous life after the fifth Holy Grail War ended, Illya still survived for about a year. And she choose to live with Shirou for the remaining year of her life rather than return to Germany and live in Von Einzbern Castle with her power-crazed grandfather.
At the end of her life, Illya tells Shirou that a year living with Shirou is one of the best moments she has ever experienced in her life apart from when she lived with Kiritsugu and Irisviel. Illya died with a smile at Shirou's side, without showing any pain on her face.
Even though Illya didn't show any pain from the outside, Shirou knew that Illya was actually enduring tremendous pain and suffering. It's just that Illya chose not to show it in front of Shirou, so to make Shirou feel worried.
So in his second life, Shirou decides to protect Illya no matter what. Because Shirou didn't want to lose Illya like before.
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July 20 was the first day of summer vacation, for a devil like Rias and Sona it was the day when they returned to the Underworld with their peerage. But for Illya, Kuro and Miyu, July 20 was a very special day because it was the birthday of the three of them.
Illya woke up with a cheerful mood exactly at 7 am after she heard the sound from her alarm clock. Illya felt very happy and excited that morning, because she was going to celebrate her birthday party with her family and friends.
But more importantly, she will celebrate her birthday with Shirou, her older brother that she loves so much. Last year Shirou couldn't come to her birthday party because Shirou had to join the kyuudo club Summer Camp, but this year it was different because the Kyuudo club didn't hold a Summer Camp at all after most of the senior members of the club had to be suspended because they were all caught drinking alcohol in the club room by the disciplinary committee.
Illya was so excited, she immediately ran to Shirou's room without washing her face or brushing her teeth. Because the first thing Illya wants to do on her birthday is to see Shirou handsome faces, her older brother and the man she loved so much.
And to make sure Shirou will wake up at the same time as she wake up, Illya already set up the alarm clock in her brother room at 7 A.M.
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The sound from the alarm clock also ringing in on Shirou's room right at 7 A.M.
When he woke up and saw that it was already 7 o'clock, Shirou was confused. Because Shirou knew that he had set the alarm clock in his room to ringing at exactly 5 am.
"Sigh, who the hell is it! That set my alarm to ringing at 7 o'clock in the morning!" Shirou said. " Because of that, I'm late for morning practice with Saber!"
Shirou then turned off the sound of the alarm clock and decided to go to the bathroom to wash his face and brush his teeth. But when Shirou was about to get out of bed he found it a bit difficult, because Shirou could feel something stuck to his body.
When Shirou saw what was actually stuck to his body, Shirou was really surprised to see Kuro sleeping hugging his body, only wearing underwear and a thin sleeveless T-shirt.
Shirou neither shouted loudly nor panicked because this wasn't the first time, a girl had suddenly fallen asleep by his side and hugging his body. Besides, if he shouted Shirou was sure that something bad would happen to him, considering his luck was wasn't that great.
"Kuro must have sneaked into my room last night," Shirou said. "Then she fell asleep in this room hugging me. Geez, what exactly is this little girl purpose?"
Shirou then let go of Kuro's embrace slowly so as not to wake Kuro up, it's just that again his E level luck worked and got Shirou in trouble. Because when Shirou was about to let go of Kuro's embrace...
"Onii-chan! Good morning!" Illya said.
Illya walked into Shirou's room with a very happy face, she really happy that she can see her beloved older brother faces in the morning, but Illya happines is over as soon as she saw Kuro, her twin sister that hugging Shirou's body tightly.
Anger and jealousy rose within Illya and with great anger Illya slapped Shirou's right cheek while shouting:
"Onii-chan! You Pervert!"
After that Illya left Shirou's room crying leaving Shirou who felt a sting in his right cheek and Kuro who was still sleeping soundly while still hugging Shirou's body.
"Sigh, well damn my E rank luck," Shirou said. "I knew someone would hit me soon or later no matter how much I want to avoid it, this is always happen when a girl sleeping next to me, I must explain this misunderstanding to Illya later, oh right it'll better I wake up Kuro first before I go to the bathroom."
The morning in the Emiya Residence it start with a peace like usual.
Read advanced chapter up to chapter 172 at Pa.treon.com/Raylight25