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'Sunny' on Apple TV+: What is the dark manual? Mysterious signature unfolds Masa Sakamoto's secrets

As Masa Sakamoto's secrets unravel in 'Sunny' Episode 2, Suzie begins to question if she ever truly knew her husband at all

Contains spoilers for 'Sunny'

KYOTO, JAPAN: The first two episodes of Apple TV+'s 'Sunny' have sparked significant intrigue, ensuring fans will be hooked in the weeks ahead.

At the center of the plot is Suzie Sakamoto (Rashida Jones), an American woman living in Japan. Her life is thrown into turmoil when her husband and son disappear following a plane crash.

His disappearance leads Suzie to uncover shocking secrets about her husband, whom she's been married to for ten years. This includes Masa's involvement with an advanced robot and a dark manual.

'Sunny' Episode 2 drops hints about the dark manual

In Episode 1, a bartender named Mixxy (Annie the Clumsy) tells Suzie that the code of robots can be hacked to manipulate them into doing whatever one desires.

Therefore, in Episode 2, Suzie decides to investigate further about Sunny. She visits a local shop run by a man known for repairing robots.

During the test on Sunny, he discovers that there is no manual or guide for Sunny, indicating it is a more advanced version compared to standard robots.

Later, the old man's granddaughter follows Suzie outside the shop and tells her about the dark manual.

The dark manual is a guidebook used to operate Sunny. The granddaughter explains that nobody knows who designed the manual, but whoever did is considered a genius.

She also reveals a red tattoo of a wolf encircled on her stomach, explaining that this symbol is used by the one who uses the Dark Manual.

Did Masa Sakamoto design the dark manual in Apple TV+'s 'Sunny'?

The events in Episode 2 hint that Masa (Hidetoshi Nishijima) might be the genius who made the manual.

When she looks at the red tattoo, she realizes that she once saw a similar design in Masa's notebook. Upon returning home, she searches through his belongings but finds nothing related to it.

She even visits her mother-in-law's house, who says that she must have thrown out the drawing made by Masa years ago.

By the end of the episode, it becomes evident that Masa used the dark manual. When someone was killed in Division 5, he was seen drawing the same symbol to edit the code on his laptop.

Does this mean that Masa is the one who locked Sunny's previous memory? If he did, then what was the reason behind it? Did Sunny kill someone?

We'll have to wait for upcoming episodes to get the answers to the lingering mystery.

'Sunny' Episodes 1 and 2 are currently available to stream on Apple TV+.