Mimika was a high leveled player in The World two years before the events of .hack//Sign. Mimika was Mimiru's first mentor. The character Mimika was played by three female high school students who wanted a high leveled character but knew that they could not make such a strong character individually. Mimika desired nothing more than the gratitude of others. Mimika died sacrificing herself with an attack to save Mimiru and her friend from a high leveled monster. The three girls controlling Mimika  had agreed to stop playing The World when they graduated from high school, and after the death of Mimika they indeed never played again. The crystalline body of Mimika can still be seen in the dungeon where she died.

A virtual multiplayer online role-playing game exists, known as 'The World'. In 'The World', there is an event held in the Dungeon of Nankoflank that Mimiru, a character in the game, undertakes with Bear, another character of the game. Mimiru confesses to Bear that she's not doing the event for the treasures or experiences, but for the memories and experiences of when she had first started playing. The two later meet a certain character named Mimika and together, the three proceed through quests and events as Mimiru learns the meaning of the game.<br><br>
[Written by MAL Rewrite]

__Height:__ 163 cm (5' 4")
__Weight:__ 50 kg (110 lbs)
__Hobbies:__ Golf, knitting, skiing
__Favorite Colors:__ Pink and black
__Agency:__ 81 Produce (formerly Theater Echo)

[Profile](https://www.81produce.co.jp/actor_search/index.php/item?id=179) | [Official Blog](https://ameblo.jp/gakosamada/) | [Twitter](https://twitter.com/GAKOSAMADA) | [Wiki (en)](https://en.wikipedia.org/wiki/Masako_Katsuki) | [Wiki (jp)](https://ja.wikipedia.org/wiki/勝生真沙子)

__Non-anime roles:__~!• April O'Neil in "Teenage Mutant Ninja Turtles 1" (live-action movie)
• Callisto in "X-Men" (animated TV series)
• Caraway in "Next King - Koi no Sennen Oukoku" (VG)
• Cindy in "Full House" (live-action TV series)
• Constance Spano in "Independence Day" (movie)
• Dulcea in "Mighty Morphin Power Rangers: The Movie" (live-action movie)
• Laura in "Poporogue" (VG)
• Leila Saber in "Gaia Gear" (Radio Drama)
• Ludwika Jedrzejewiczowa in "Eternal Sonata" (VG)
• Michiru Kaioh/Sailor Neptune in "Bishoujo Senshi Sailor Moon: Another Story" (VG)
• Mrs Madison in "Buffy the Vampire Slayer" (TV)
• NejiYellow/NejiSophia in "Denji Sentai Megaranger" (voice)
• Rosalie Mullins in "School of Rock" (live-action movie)
• Samantha Jones in "Sex and the City" (live-action TV series)
• Tatiyana in "Arc the Lad: Twilight of the Spirits" (VG)
• Tina Harwood in "Ice Princess" (live-action movie)
• Tomoe Segawa in "Backguiner ACT-2" (VG)
• Tomoe Segawa in "Backguiner ~Yomigaeru Yuushatachi~ 'Guiner Tenshou' " (VG)
• Tsunade in "Naruto: Gekitou Ninja Taisen 3" (VG)
• Tsunade in "Naruto: Gekitou Ninja Taisen 3" (VG)
• Tsunade in "Naruto: Narutimate Hero 2" (VG)
• Tsunade in "Naruto: Narutimate Hero 3" (VG)!~

(Source: Anime News Network)