Hana is a hardcore fan of Yasuhiro Isshiki. She dresses loudly, and is always looking for a way to get closer to Isshiki.
Collar x Malice
Collar × Malice is a visual novel, and follows police officer Ichika Hoshino, who is patrolling Shinjuku, Tokyo. She is attacked, and a collar with poison is placed around her neck; following this, she becomes involved with the "X-Day Incident", which is being investigated by five former police officers.
