I Can Summon Miyou's Wife with My Mobile Phone!

[Original God+Beng Tie+Zero Zero] When he woke up, Anonymous found himself in the end of the world. When others awaken their powers, what he awakens is—a mobile phone? [Miyou character summoning system activated] [It is detected that the host is in crisis. Should you summon a character for support? Two lines of text appear on the screen. Anonymous did not hesitate and clicked [Yes] decisively. The next second—— An elegant woman with blue and white hair appears out of thin air. She saw the huge rat - his face was pale, he hid behind him, and grabbed the corner of his clothes: "There are monsters!" Then she raised her hand tremblingly. Miss Sherbeleda, Lady Hevimar, Lord Uther—three seconds to end the battle. Anonymous: "...?" Later he summoned two more people. "Pioneer, long time no see." The girl in the silver mecha's eyes were slightly red. The fox-eared girl with a long sword hanging on her waist sheathed it: "Ropemaker, are you okay?" They said he was their traveler, pioneer, and ropemaker. But Anonymous couldn't remember anything. Just occasionally - when Fu Nina was trembling in the face of the monster, a picture flashed in her mind: someone stood alone under the spotlight for five hundred years. When Liu Ying smiled and said, "I will help you no matter where I am," he would think of that side face looking up at the shooting stars in the sky. When Hoshimiya solemnly numbered and filed the mutated creatures he encountered along the way, he seemed to feel that he was in the ruins, with one person holding a sword and the other holding a sheath, working together to seal the demon sword. He began to understand - they were not strangers. It was a character he once truly loved across the screen. Later he discovered that the end of the world was caused by an accident. And this accident was actually related to him! All the answers are hidden in his memory.