S1·E18 Episode 18

Hence, FU makes the noodle and sends to the prison in person. Just when CHI finishes eating the noodle, FU also tends to leave. Suddenly, CHI suffers from food poisoning and died. In the funeral ceremony of CHI, a stranger arrives and gives his blessing secretly. At last, with the assistance of SIN, NIN finds and captures the real suspect. YUI does not know that it is a plot between NIN and CHI; hence, he fears to death when CHI arrives from the coffin. At the same time, CHI finds that YUI has lost his jade ring and would like to purchase a new one for him as a gift. She asks SO to be her accompany and mentions the story behind.