For her anime appearance, see Sonia Sky (anime).

Sonia Strumm, known as Misora Hibiki (響ミソラ Hibiki Misora) in Japan, is the main heroine of the Mega Man Star Force series. Sonia is assumed to be around 11-12 years old. According to the official Ryusei no Rockman 2 website, Sonia's birthday is August 2nd [1].



Game History

In the games, Sonia was a pop singer until she met Geo Stelar, when she rebelled against her manager and retired (temporarily). In the midst of these two events, she encounters Lyra. She has a crush on Geo, but like most other females in the games, has not outright admitted it, but strongly pushes it to the audience, this can proven a several times in the Star Force game series. In Mega Man Star Force 3, if the player chose to save Sonia's bag and not the others in Alohaha, there will be a scene with Geo and Sonia, Geo talks about how he is afraid of the ocean at night, then Sonia offers to hold his hand so he isn't (in which he wholeheartedly agrees). Then they go on to talk about the times they had together and she thanks Geo for being her first brother and other things. And during her concert in chapter 2, The song has a connection to her first meeting with Geo. In Mega Man Star Force 2, if the player went to Sonia's personal page after forming a BrotherBand with her and looked at her secret message, it'll say there's this cute boy she likes which the player will assume is Geo.

Mega Man Star Force

Sonia's mother.

Sonia "composes songs for her deceased mother in Heaven." She notes that her mother passed away because of a disease that made her critically ill. She notes that her mother was sick in bed a lot for a year. Little is known about Sonia's deceased mother, as she never appeared in flashbacks (except for Sonia's story about her mother on AMAKEN's roof.) Lyra encountered her when she fought with her manager. Together, they unwillingly Wave Change into Harp Note, and Sonia is forced to face Mega Man, or Geo Stelar, who helped her during her conflicts with her manager. After becoming an ally with Mega Man, she grew to like Geo. Sonia finally invites Geo to a date in Times Square, where Luna Platz eavesdropped. Then Ophiuca shows up and Luna EM Wave Changes with her to become Queen Ophiuca, ruining Geo's and Sonia's date.

Mega Man Star Force 2

On the Air Display boards, Sonia is shown saying, "When you're tired, give yourself a boost with Soniavita D. I'll always be here cheering for you."(this is also used in the anime). How she got her Star Carrier is unknown. Also, a possible Auto Brother says in those two months this game takes place in, Sonia's come out of retirement. Like the prequel, Sonia asks Geo out, but instead of going to Time Square, they go to Wilshire Hills. It is there that Sonia admits what made her want to go back into singing, which was her inspiration from Geo's attitude. She recites a quote that Geo said when Mega Man defeats Harp Note in the first game, "I know how you feel, and I want to help you." That is what also made Lyra turn over a new leaf.

Sonia and Lyra.

At Wilshire Hills, they go to a museum, and there the exhibits are being stolen by Solo. Sonia and Geo EM Wave Change and try to stop him from stealing all of the artifacts. They succeed, but Omega-Xis accidentally swallows a OOPArt, Solo's original target. Later in a fight with Solo, she is trapped in a teleporter and is dropped into an unknown location. She later resurfaces in the Bermuda Maze as Dr. Vega's ally. She is persuaded to do so by Hollow, because they said that they would not hurt Mega Man anymore. Later, Lady Vega still attacked Mega Man, and as Rogue was about to finish him off, Harp Note arrives and saves him. But, even though she saved him, she still refused to come back. Therefore she also cuts their BrotherBand and fought Mega Man. When she loses, she realizes her mistake and helps Mega Man defeat Rogue, and ultimately Hollow himself. However, this also resulted in her being hospitalized in critical condition.

Mega Man Star Force 3

She is officially allied with the Satella Police and is registered under Project-TC - a registry of those who are allowed to legally Wave Change - as No. 004. She stars in a drama show and is about to perform her last live concert when she invites Geo and co. to WBG Studios.

When Taurus Fire attacks during the filming, Geo transforms into Mega Man and defeats Taurus. At that time, the director decided to have Mega Man co-star, instead of Belle, her assistant. Belle's Wizard, Ice, was not happy that Belle lost her role, and gets corrupted by a Noise Card to transform into Diamond Ice. Diamond Ice attacked and froze multiple objects in the Studio to prevent Sonia from performing. Eventually, Mega Man defeats Diamond Ice and saves Sonia's performance. At the end of her performance, she dedicated a song "Shooting Star" to her friends that have supported her (based on the lyrics, her song was dedicated to Geo).

At Alohaha it is revealed that Sonia really loves eating BBQ. Not only that, but during that event, it was also revealed that she could swim. If the player chooses to save Sonia's bag, a scene plays out in which both Geo and Sonia show signs of liking each other. Like her "Summer Vacation" wallpaper, her swimsuit is nearly identical to how she's pictured in that event. In the anime, it was also revealed that she partook in something called the "Popstar Charity Swimming Contest," which she apparently won. Her swimsuit she wore there must've embarrassed her, because when her manager showed it to her, she freaks out about not being able to wear it. Sonia also assists Mega Man in his quest while he combats Dealer, often traveling with him and members of WAZA throughout the second half of the game.

Anime History


Hibiki Misora's Denpa-Henkan(Wave Change)

Sonia Sky going through EM Wave Change.

Main article: Sonia Sky (anime)

In the anime, her personality is quite different than that in the games in which (overall after overcoming her problems in the first game) she is rather cheerful and mischievous, but now she has a very strong personality and is quite easy to anger. In the anime she just wants to sing songs that she wrote herself instead of those written for her mother, who isn't mentioned. She is also rather impulsive, caring not about the problems she puts on her manager.


Sonia has two known songs. The first, "Good Night Mama" was sang before her official retirement. The second one "Shooting Star" was sang after the defeat of Diamond Ice, and it is the only song to have the full lyrics in the in-game text.


Language Name Reference
English Sonia Strumm Sonia is derived from the Greek name Sophia, meaning "wisdom." In Hindi, the name means "golden." and "beauty". Strumm is a corruption of the word strum, the act of brushing one's fingers over the strings of an instrument. It's also implied in the second game that her name is pronounced "Sun-ya", possibly referring to the sun and tying her name with Geo and Luna's. 
Japanese Misora Hibiki
The name Misora Hibiki may be a reference to the late Japanese singer and actress Hibari Misora 1945 - 1971. The word Hibiki (響) means echo or resonance in Japanese. Misora (ミソラ) means beautiful sky, tying her with both Geo and Luna's Japanese name. The name also consists of musical note "Mi","Sol","La".



  • Sonia's guitar doubles as her Transer, but this function became useless when she acquired her Star Carrier.
    • In the anime, Sonia usually uses her guitar as her main terminal device, but she has been shown to use a red Transer and Wave Scanner, indicating she is of the Leo satellite.
    • Although Sonia's guitar acts as her transer it does not appear to have any Battle Card applications.
    • Even after Sonia's upgrade to a Star Carrier and later the Hunter-VG, Sonia continues to carry her guitar with her at all times.
  • In the games, Sonia is technically the main reason as to how Geo got his special powers in the first two games.
    • In the first game, Geo's Star Pendent wouldn't have glowed had Geo not formed a BrotherBand with Sonia, thus not earning the power of the Star Force.
    • In the second game, had it not been for Sonia going on a date with Geo, they wouldn't have explored the museum hosting the OOPArt. Also, had it not been Sonia's assistance, as Lyra Note, the OOPArt would have been lost and not have been swallowed by Omega-Xis.
  • Lyra uses the guitar as a base for a weapon, similar to how Omega-Xis uses Geo's arm as the Mega Buster and Laplace becomes Solo's sword.
  • Sonia is the only Star Force character who has cut her BrotherBand with Geo twice (first when Geo was confused after his battle with Gemini Spark, and again when Sonia wanted to protect Geo while she was working for Dr. Vega).
  • If the player looks inside Sonia's Transer, they will see that she has a Harp Note battle card, even if this is done before Lyra is introduced in the game.
    • This also happens with the other bosses even before they were controlled by their respective FM-ians.
  • During her concert in Mega Man Star Force 3, the lyrics of her song appear to be based on the first time she met Geo during the events of the first Mega Man Star Force.
  • Features from her personality and appearance make her a close parallel to Mayl, from the Battle Network Series, even augmented by one of her attacks sending heart-shaped soundwaves.

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