Kanji ギガ子
Rōmaji Gigako
Nickname(s) Terako


Gender Female
Grade Senior (3-A)
Personal Status
Status Alive
Media Debut
Manga Chapter 29
Okay, I'm using the space-time teleportation capsule!

—Gigako, Vol. 9 Chapter 85 Page 9

Gigako (ギガ子(ぎがこ), Gigako) is a supporting character in the series. She is a member of the Tabletop Gaming Club.


she has medium length hair that goes to around her shoulders and has a split in the middle of her fringe where one side faces down while the other is off too the side and has round eyes.


she seems to enjoy playing and making up unusual games to play with Chika and Kozue.


She's a Third-year student that studies at Shuchi'in Academy and a member of the Tabletop Gaming Club and is friends with Chika and Kozue.

Series Appearances



  • Her name being demoted from Terako to Gigako is a pun on metric prefixes. Her real name is unknown.
  • she owns or wore a Spetsnaz Helmet.


v  e
Shuchi'in Academy High School
Faculty Adolphe Pescarolo
Third Year 3-A: GigakoPrevious Student Council PresidentTsubame Koyasu

3-B: Kazeno
Unknown Class: Mass Media Club PresidentYume Atenbo

Second Year 2-A: Ai HayasakaKaguya Shinomiya

2-B: Chika FujiwaraGo KazamatsuriMaki ShijoMiyuki ShiroganeNagisa KashiwagiSaburo ToyosakiTsubasa Tanuma
2-C: Erika KoseHayato HongoKaren KinoMomo Ryuju
Unknown Class: Mikado Shijo

First Year 1-A: Kozue Makihara

1-B: Kobachi OsaragiMiko IinoRei OnoderaYu Ishigami
Unknown Class: Koromo Shiranui

Unknown Year Daiki SatoMakiMasaru KobayashiTakkyTeppei Tanaka
v  e
Shuchi'in Academy Clubs
Archery Club Kaguya Shinomiya
Astronomy Club Momo Ryuju
Cheer Team KazenoTsubame KoyasuRei OnoderaYu Ishigami
Mass Media Club Mass Media Club PresidentErika KoseKaren Kino
Occult Research Club Yume Atenbo
Tabletop Gaming Club Kozue MakiharaChika FujiwaraGigako
Volunteering Club Nagisa KashiwagiTsubasa TanumaMaki Shijo
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