The story takes place in a small city called Hoshimoto City.
On Lion's Tail Mountain in the city, there is a huge object that shines with colorful light, and this object named "Mono Horn" is actually the "Monster Horn" that has stood there since the "Monster Day" incident 16 years agoFrozen cards ~ underground mahjong bucket card record ~ animated version
assemble0The murder of General Manager Yamazaki occurred at the reception site. Solving this incident is a high school student detective who has made a name for himself with his Sherlock Holmes-style reasoning ability - Shinichi Kudo. One day, Shinichi and his childhood sweetheart's classmate Mao Lilan met to play in the playground, and accidentally encountered a murder on the roller coaster, and under Shinichi's reasoning, he quickly assisted the police to solve the case. However, at this time, two figures of men in black entered Shinichi's sight......