It was rush hour for the end of the day, and the buses were crowded in the evening.

Riko Aikawa huddled next to the back door, her eyes hidden under the brim of her hat, observing her target from time to time through the reflection of the window glass.

A man wearing a gray down jacket, short in height, but on the fat side, named Liu Huai.

Although it was determined that Guo Licheng was wronged in the morning, the real mastermind behind the scenes was very hidden, and there was almost no handle left, and the surveillance in the community, including the scene of the crime, was clean, except for Guo Licheng and the two corpses, there was no trace of the rest of the people, which was also one of the main reasons why the police station determined that Guo Li was the murderer.

Now whether it is a witness or no certificate, it is extremely unfavorable to Guo Licheng, if it were not for the police station could not find Guo Licheng's murder methods and murder weapon, he may have been convicted a long time ago.

In order to find the murderer, Ariko Aikawa checked all the people who had dealings with Guo Licheng in detail, from neighbors to colleagues to customers and the owner of the breakfast restaurant he went to eat every day.

Ariko Huichuan is paranoid that the murderer definitely has something to do with Guo Licheng, otherwise it is impossible to commit the crime twice, once as a landlord and once as a new tenant, and the location of the crime is still in a rental house.

While re-screening the list, Riko Aikawa noticed a man named Liu Huai.

He and Guo Licheng work in the same company, the positions are far away, and they usually don't work in the same department, the only similarity between the two is that they are both otaku in the eyes of the rest of their colleagues.

Continue to investigate, Liu Huai's experience can be described as mediocre, from graduating from college to work until now, because of his appearance and personality, he has never talked about a girlfriend, and his family background is relatively ordinary, his father fell ill and lost his job two years ago, his mother is a full-time housewife, and the only one in the whole family who is still working to earn money is Liu Huai.

Consumption records show that Liu Huai was once keen to buy anime character figures, but he has not bought anything similar in the past two years, presumably because his father was sick and unemployed, which caused the economic situation of the whole family to be not optimistic.

Such a person does not look like the murderer of this pollution incident, and besides, the two live far apart, and there is no contact with each other, so it is impossible to think of his motives.

But Rinko Huichuan decided at a glance that there was something wrong with this Liu Huai.

She herself can't tell what's wrong with Liu Huai, maybe it's her sixth sense as a detective.

So, taking advantage of the off-duty time, Riko Huichuan decided to follow Liu Huai.

On the winter bus, the heating is on sufficiently, and there is a layer of water droplets hanging on the glass, and Riko Aikawa takes out a tissue from time to time to wipe it, pretending that she is looking at the scenery outside the window.

Then the radio prompted the arrival of the station, and Aikawa Riko saw Liu Huai starting to squeeze this way, thinking that he was going to get off at this stop, because he was closer to the door, in order not to attract attention, Aikawa Riko got off the train one step in advance.

But until the bus left, she didn't wait for Liu Huai.

"On purpose?"

Riko Aikawa frowned, glanced around, and made eye contact with a little boy riding a children's bicycle.

As a qualified detective, you must be good at using all the tools around you.

Three minutes later, Riko Aikawa rode her bicycle and finally followed the bus to the next stop.

On the sidewalk, Liu Huai's figure is not conspicuous, but it still can't escape her keen vision.

"Isn't he going home?"

According to the information, Liu Huai's home is not nearby.

With doubts, Riko Aikawa rode a children's bicycle and quietly followed him.

After walking for half an hour, Liu Huai had already walked out of the lively urban area and came to a relatively secluded place.

The bustle of the city has not been affected too much, and the surrounding area is surrounded by low-rise buildings, the highest is only three floors, full of the atmosphere of the old times.

By this time it was completely dark, and several houses were lit up, but more houses were uninhabited, and the depths of the streets were still dark, and the cold wind whined and chilled.

"Did he find out that someone was following me and deliberately lured me here?"

With a faint sense of foreboding, Riko Aikawa tightened her grip on the box in her hand, put the bicycle aside, and followed on foot from a short distance.

After walking for a few more minutes, in the dark, Liko Huichuan vaguely saw Liu Huai turn a corner and disappeared.

She went around the bend, only to find that it was a wall.

"Where did the people go?"

It's impossible to disappear into thin air.

At this time.

"Jingle Bell~"

In the silence of the street, a string of bells suddenly sounded.

Riko Aikawa subconsciously reached into her arms.

It's not her bell ringing, it's the car bell.

……

"In the blue sky and galaxy~"

"There's a little white boat~"

……

Under the flickering street lamp, a little girl with double ponytails came from behind her on a bicycle.

The little girl looked ahead, as if she was ignoring Riko Aikawa, and hummed a song in her mouth, slowly passing by her.

At the moment when the figures intertwined with each other, Riko Aikawa's heartbeat suddenly accelerated a little, and a chill that was even more piercing than the cold wind around her filled her body.

The little girl was riding a children's bicycle that she had just discarded.

But there wasn't even a street lamp in front of her, where was she going?

Riko Aikawa glanced at her watch, and the hands on it were spinning erratically as if they were damaged.

When she looked up, the little girl had disappeared into the darkness at some point, but the bicycle she was riding was lying crooked on the road, and the wheels were spinning non-stop.

"That little girl......"

There was an ominous aura everywhere, but there was a scene even more eerie than this, and Riko Aikawa had seen it many times, so she didn't intend to back down.

Coming to the bike, she crouched down and touched the saddle.

Cool.

When she was about to get up, she saw that the weeds on the side of the road were slightly different.

Looking along, she realized that there was a hidden path next to it, and if someone had never been there, it was easy to ignore it directly.

Liu Huai probably walked into this path, no wonder he didn't find it just now.

But this is a very obvious trap, to go, or not to go?

Riko Aikawa hesitated for only a second before taking a step.

The boots stepped on the dirt path, rubbing against the dirt, making a subtle noise, which was immediately drowned out by the wind.

Riko Aikawa tightened her collar and walked along the path for about less than a minute, and there was no way forward.

Instead, there is a low-rise building, boxy, with a gray cement surface painted like a dilapidated factory.

The iron door of the house was a little rusty, and a dim light peeked through the crack in the door, and there should be someone inside.

Riko Aikawa stood still in front of the door, hesitated for a while, and chose to push the door open.