Year 2XX2. Due to the progression of Japan's ultra-low birth rate and aging society, women had evolved so that children could be conceived simply by kissing each other. Despite living in such times, Airi, my childhood friend and best friend, carelessly kissed me. Idiot, she's such an idiot! What was she thinking if I got pregnant!?
| Word | Frequency | Difficulty |
|---|---|---|
| 月 | 1 | 2.91 |
| 未来 | 1 | 3.08 |
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