Mariko (Telekinesis Maid)

Biology
Mariko is a reserved young maid who spends most of her daily life attending to Master's daily life. Trained from an early age Mariko learned to cultivate her latent psychic ability for murder. Until recently she was an assassin until Master graciously allowed her to live a normal life of a servant. For whatever reason the "accident 6 years ago" has bonded Mariko and the Possessive Maid. It is assumed Mariko was born and has lived in the Town all her life as it's supernatural aura boosts the likelihood of psychic abilities.

Personality
Mariko was originally a stoic with no few defining traits until she met Master. However, daily service has allowed her develop more character. When dealing with her Master she is quite the worrywart and constantly determines herself unworthy of their time. Overall her demeanor is now befitting of a normal kawaii maid.

020 Afternoon Tea With Your Maid~Possessive Maid
[Before June 5th 2017, Spring 2017?]

The Possessive Maid threatens Master not to become so acquainted with her friend Mariko.

007 The Assassination
[Between July 8-22, 2017]

Mariko is in charge of quietly getting rid of Mr. Matsudo due to his increasing involvement against the Town Officials. The mission is a success.

009 Afternoon Tea With Your Maid~Mariko
[The afternoon after The Assassination]

Taking place the day after the assassination, Mariko returns to her daily routine. Master questions her on the mission and apologizes for bringing her back in action.

048 Picnic Date With Your Loving Maid
[Between July 22 to Oct 30 2017]

Mariko prepares some sandwiches for her and Master to enjoy on their picnic date. When Mariko is questioned about the Possessive Maid she doubts that her friend means to fulfill any of her threats. However if those threats were to be realize her Master's safety comes first.

Master
Mariko has a budding romance with them due to their kindness. Committed to their safety even to the point of killing the Possessive Maid if she ever goes beyond her threats.

Possessive Maid
A friend whom she shares a dark past with as both were raised as assassins. Their bond was further strengthened after the "accident 6 years ago".

Trivia
The images used Episode 007 and Episode 048 are actually fan art of Gasai Yuno and Cross-dressing Nagisa Shiota respectively. That's the more you know.