Law of Irreversibility

[Tokyo high school/semi-fictional setting/redemption/campus love/both sad and sweet] Introverted Healing Angel x Easy-going Contrast Demon Miyako is an angel with feelings, but this violates the "truth" setting for all angels. "Am I a human or a god?" She often thought like this. When she received the first "demon hunting" mission, she finally understood the answer to the question. In her impression, demons are all bad people who do all kinds of evil, and she will feel much better after getting rid of these people. However, the first mission made Mio Yakko completely change her view of demons. "Can a devil... Also be approachable?" The youthful Yuichi Hase is her target this time... A high school student? It's hard to relate to the devil, okay? ! Mio Yoko had no choice but to become Hase's classmate as a transfer student, and the two met. As they got along day by day, Mio Yoko began to discover a special emotion in her body. Is it love? Only on the day Hase confessed to herself did Mio Yako understand the meaning of "like". In the end, Miyako still failed to shoot the bullet at her lover who had been with him for three years. The mission failed, Hase Yuichi will be solved by other angels. "It's all my fault... Why should I take on this mission..." She is reluctant, she is angry, she is sad. When she was about to be obliterated by "truth", Mio Yakko resolutely used the forbidden technique - parallel travel. When she opened her eyes again, she found herself sitting at the school desk... Turning around, she saw Chang Gu sitting next to her. "Yuichi Hase...?" "Huh? What's wrong?" "It's okay..." Mio Yako looked at the boy's clothes, a little unbelievable, and kept thinking: "First year of high school?" "Stop staring at people all the time. Tell me, what's the matter?" "Ah... Nothing's wrong... I'm just in a daze." At this point, Miyako discovered that she had entered another parallel time and space. A new story begins, and the things experienced in this time and space are completely different from before. Mio Yako needs to find a way to keep Hase alive. You will definitely find it. The gears of time keep turning forward, and three years have passed by in an instant. … A new cycle has begun. Purpose: Cherish the perishable beauty