Kat
This girl is hogging the arcade game Bree wants to practice on during the Gamer Bree arc. Later, Kat appears in the same arc as a gaming tournament player named Thyra.
Story Events
Meeting Kat
Completing Offline Meet Up introduces you to Kat
Outcome: Kat max 
set to 10, Kat unlocked
Go to the arcade
Prerequisites: Done Offline Meet Up, Arcade, Kat present, Kat >= 10
Kat and Mike face off in a gaming tournament at the local arcade. Note: Do not initiate a first date if you do not have the knowledge and gameplay experience required, it will lock you out of Kat's submission route much further down the progression. Mike and Kat play video games.
Outcome: Kat max will increase to 20, if Mike 
>=50 and Video Games Played >= 15 then Kat 
max will increase to 10.
Note²: If you do not succeed to beat Kat at the arcade game during the event you will be able to try again each week as soon as you're able to have a date with her at the mall.
Talk with Jack
Prerequisites: Cinema, 14:00 - 18:00, Kat >= 20
Jack shows Mike a video of Kat playing a suspiciously familiar game. Turns out that Jack has a parasocial relationship with Kat.
Note: A couple encounters with Jack later, you will be able to choose to introduce Jack to Kat, or not.
Outcome: Kat max = 30
Amusement Park Date
Prerequisites: Prior 14:00 Mall Date or 20:00 Pub or Cinema Date, as Kat on date to Amusement Park, Kat >= 30
Mike can chose different locations for the date. Some help date progress more than others, the date must finish before 18:00:
- Ferris Wheel (+20 Date Points)
- Carousel (0 Date Points)
- Haunted House (+5 Date Points)
- Love Boat (+5 Date Points)
- Hedge Maze (+20 Date Points)
- Ice Cream (+10 Date Points)
You will always get +15 points at the end of the date
Outcome: Kat max increases to 40
Take Kat on a date
Prerequisites: Kat >= 40
If the date ends with at least a 90% date score, then Kat reveals her taboo interest in being an online cam girl. If you accept this, she will lose become less (-2) submissive. Otherwise nothing changes, but Mike will disapprove of her cam girl. You will have one more chance to switch this; to progress Kat will need to be permitted to be a cam girl at the next encounter.
Outcome: Kat max increases to 50
Meet Jack on the street
Prerequisites: Street between 10:00 and 16:00. Kat >= 50
Jack will figure out that Kat is the camgirl regardless.
Outcome: Kat max increases to 60
Next date with Kat
Prerequisites: Kat >= 60
Upon the completion of a successful date, Kat will open up. If you are okay with Kat being a cam girl, her max will increase.
Outcome: Depending on choices, Kat max increases to 70
Private live
Prerequisites: Kat >= 70; 14:00-17:00; Street
Kat will show you self, when It's over, Kat will go to the bath
Outcome: Kat max increases to 75; Kat's home is unlocked
Kat Submission Route
Undead Rising With Kat
Prerequisites: Have bought ZBox 360, Kat >= 40 and >= 10
Mike needs to take Kat on a date to your home, and then play video games with her to trigger this interaction.
Outcome: Kat max increase to 20.
Kat's Pub Date
Prerequisites: Kat >= 50 and >= 20
Mike needs to take Kat on a date to the pub and either; buy a round, or offer her a drink.
Outcome: Kat max increase to 40.
Kissing Kat
Prerequisites: Kat >= 60 and >= 40
Kat feels some apprehension at kissing Mike because she wants you to spit in her mouth (how vanilla!) , Mike can choose to believe it's disgusting or he can agree to spit in her mouth.
Outcome: Kat max increase to 60.
Talk to Kat
Prerequisites: Kat >= 65 and >= 60, Completed Kissing Kat, Interact/Talk to Kat.
After Kat reveals her spitting kink in 'Kissing Kat', they talk more about it, and Mike alleviates her fears. She feels seen and deeply connected to you.
Outcome: Kat max increase to 80.
Have a nice time with Kat during a date
Prerequisites: Kat >= 65 (?) and >= 80, Completed Talk to Kat, Take Kat on a date, Interact/Talk, Date score=50
After raising her kink level further and taking her on successful date, Kat confesses she always wanted to devote herself to just one man, in a submissive way.
Mike can agree to try or disagree. If disagree Kat asks Mike to consider it.
Outcome: I agree, Kat max increase to 100, can now be collared (maybe before?)
Forever Master
Prerequisites: Kat >= 80 (?) and >= 100, Completed Have a nice time with Kat during a date, Interact/Talk.
(Might be other requirements? I was 100, 100 on a 100% restaurant date)
When raising Kat's kink level to 100 she will ask Mike to be her forever Master.
Mike can accept or decline.
Outcome: Forever Master
Submission events
This section is a work in progress. Unsure of prerequisites, but these worked for me. Check your story tracker to see when events are available for you.
Have fun with Kat
Prerequisites: Kat >= 60, >= 65, At a Restaurant Date
A new icon, named "Have Fun With Kat" will show up in the "interact with Kat" menu.
Kat gives the Mike a remote so they can control a pleasure toy inside her.
The toy has 3 setting, low, medium and high intensity.
Outcome: Kat has remote toy that Mike can use.
Sex events
Mall date photo booth BJ
Prerequisites: (I'm not clear on the details as aren't in the tracker. But worked for me. While on a mall date in the afternoon (Spring 2pm), I was at 100 and 86)
Kat and Mike sneak into photo booth where she gives Mike oral sex.
Outcome: Increased +4 and date score +40%
Time schedule
The following table shows at which time you can meet Kat in various locations.
Warning: The table is only valid if you turn randomness off.
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11:00 | electronic shop | 19:00 | street | 11:00 | electronic | 14:00 18:00 | arcade | 12:00 | coffee shop | 19:00 | street | |
| 12:00 | bakery | 21:00 22:00 | cinema | 12:00 | bakery | 13:00 | drugstore | 20:00 23:00 | cinema | |||
| 13:00 | mall | 13:00 | mall | 14:00 18:00 | arcade | |||||||
| 14:00 18:00 | arcade | 14:00 18:00 | arcade | |||||||||
| 19:00 | park | 19:00 | park | |||||||||
That's all the content for Kat as of version 24.3.0c