The School Beauty Chases After Her, and Her Six-Year-Old Sister Provides a Divine Assist

[Urban daily life + time travel without system + school beauty + reasoning + brains but not a virgin + slow pace (please proceed with caution!)] 27-Year-old Chen Bufan was hit while rescuing someone while drunk. He accidentally time-traveled into the body of a male high school boy with the same name and surname. He likes to carry a humanoid pendant every morning when he wakes up. Chen Buwan: "Brother~ give me a hug!" The sweet and cute school beauty Dong Qinya took the initiative to chase after her, "Chen Bufan, shall we be together?" Chen Bufan responded, "Classmate Dong, are you high before you even drink?" … By chance again and again, he becomes a non-staff member of the criminal police team. Bizarre cases emerge one after another. Let's see how he solves them... (The introduction is weak, please move to the main text! The pace of this article is slow but the later part is very sweet!! The main focus is daily life, supplemented by reasoning!)