Math Blaster: Sūgaku no Hoshi

Math Blaster: Sūgaku no Hoshi or Math Blaster: 学の星 (English: Math Blaster: Math Stars) is a Japanese anime series based on the math-skilled game in USA called "Math Blaster by JumpStart Games and Knowledge Adventure".

Plot
In the pilot episode, a young boy named Chikara and his best friend Honoka skilled at math but suddenly they have a new mission and of course, they went back to his house and he used a manga shelf as a secret passageway/secret door to transform into an aliens and they headed up to the SpacePort to discover the math missions.

Characters
Main Major Minor
 * Chikara Ikari (怒りチカラ)/Max- a 14-year old boy who studies mathematics, but he turned into a green-skinned alien. He voiced by Shouta Aoi (Japanese); Aisha Phoebe Ayari (English/Barokian)
 * Honoka Miwa (ミワホノカ)/Gc- a 14-year old girl and best friend/love interest of Chikara and she studies mathematics, but she turned into a pink-skinned alien. She voiced by Suzuko Mimori (Japanese); Fuyumi Hilo (English)
 * Aiko Esashika (えさしか愛顧)/Kira- Chikara, Keiko and Asako's friend in class and she also plays violin and she skills at matemathics as well, but she turned into a purple-skinned alien. She voiced by Miyuki Sawashiro (Japanese); Maddie Hodges (English)
 * Keita Sato (佐藤啓太)/Hikari- a young Mathematics club president, but he turned into a blue-skinned alien. he voiced by Mamoru Miyano (Japanese); Maja Prebensen (English)
 * Mr. Hotaru- He's the school principal of Hirohito High School, he voiced as Katsuyuki Konishi (Japanese); Christopher Berger (English)
 * Mrs. Sakurauchi- She's the math teacher and she always teach math lessons. She's voiced by Ai Orikasa (Japanese); Tomoko Berger (English)
 * Monty- a robot from the Spaceport and he's called the Math Blasters to accept all of their missions. He's voiced by LiLiCo (Japanese); Captain Drat (English)
 * Tori- An alien who realizes that he's a math grader. He voiced by Satomi Kōrogi (Japanese); Naoki Takenaka (English)
 * Ruby Tojo (東城ルビー)/Mia- a 10-year old girl that she wants to be on a math mission shortly. But she turned into a light red-skinned alien, she voiced as Aki Toyosaki (Japanese); Janice Messal (English)
 * Professor von Franke- an alien scientist with his inventions, geniuses and technics, also he's a doctor who cured Kira. He's voiced by Arthur Lounsbery (Japanese); Brock Baker (English)
 * Michiyoshi and Kokoro Ikari- Chikara's parents

Villains Aliens
 * Kanetake and Machiko Miwa- Honoka's parents
 * Kunihiko and Yoko Esashika- Aiko's parents
 * Hirotoki and Otoha Sato- Keita's parents
 * Sora- Chikara's pet dog
 * Jiro- Honoka's pet dog
 * Yumi- Aiko's pet cat
 * Koi- Keita's pet goldfish
 * The students of the Hirohito High School
 * Eli- a 5 year old girl who got lost in the mall (she's only appears in OVA)
 * The Math Badsters- They're clones of themselves
 * Sheila/aliehS (in reversed name)- she's the reformed human but, her true form is a monster, alien and human hybrid to destroy the Math Blasters for getting revenge by failing the test.
 * The Hyper Bosses
 * Sayaka
 * Percy
 * Luna
 * Xyren
 * Dane and Rane
 * C.J
 * Robby
 * Neri
 * Umbra
 * Leo

Songs

 * Stella-rium by Kano
 * Koi no Chikara to Honoka (恋のチカラとホノカ) by Hatsune Miku
 * Yuki by Whiteberry
 * Yume de Yozora wo Terashitai by Aqours
 * Yume de Yozora wo Terashitai (Math Blasters Team Version)
 * Snow Halation by Muses
 * Snow Halation (A GRAND DAD Blastering Remix)
 * Miraizu by Honeyworks
 * Harukakanata by Nyarons

Trivia

 * Even the aliens are not real except the real ones, inside the body are the human organs, which means it essentially a transformation.
 * It is aired on TV Tokyo 7 and its simulcast worldwide on Crunchyroll, Anime Strike and Funimation.