Hirata Rikako was the leader of SKE48's Team S.
Team History
- 2008.07.30 - Joined SKE48 1st Generation
- 2008.10.05 - Promoted to Team S (Team S Formation)
- 2012.10.23 - Graduated from SKE48's Team S (Announcement: August 7, 2012)
Leadership History
- 2008.10.05 - Appointed Leader of Team S (Position established)
- 2012.10.23 - Graduated from role as Leader of Team S (Successor: Nakanishi Yuka)
AKB48 Senbatsu Elections
- 1st Senbatsu Election - Not Ranked
- 2nd Senbatsu Election - Not Ranked
- 3rd Senbatsu Election - Not Ranked
- 4th Senbatsu Election - Not Ranked
- 5th Senbatsu Election - Didn't Participate
Singles Participation
SKE48 A-Sides
SKE48 B-Sides
- Bungee Sengen (Aozora Kataomoi)
- Hazumisaki (Gomen ne, SUMMER)
- Cosmos no Kioku (1!2!3!4! YOROSHIKU!)
- Soba ni Isasete (1!2!3!4! YOROSHIKU!)
- Tokimeki no Ashiato (Pareo wa Emerald)
- Tsumiki no Jikan (Pareo wa Emerald)
- Bazooka Hou Hassha! (Oki Doki)
- Hatsukoi no Fumikiri (Oki Doki)
- Hanikami Lollipop (Kataomoi Finally)
- Kyou Made no Koto, Korekara no Koto (Kataomoi Finally)
- Aun no Kiss (Aishiteraburu)
AKB48 B-Sides
Albums Participation
SKE48 Albums
AKB48 Albums
Units
Stage Units
- S1 (PARTY ga Hajimaru yo)
- Skirt, Hirari (1st Unit)
- Hoshi no Ondo (2nd Unit)
- S2 (Te wo Tsunaginara)
- Choco no Yukue (1st Unit)
- Kono Mune no Barcode (2nd Unit)
- S3 (Seifuku no Me)
- Mangekyou (1st Unit)
- Onna no Ko no Dairokkan (2nd Unit)
Concert Units
SKE48 Densetsu, Hajimaru
1!2!3!4! YOROSHIKU! Shoubu wa Kore Kara da!
Trivia
- Light Stick Color: Pink
- Provisional member of the unofficial SKE48 2D fan club.
- She is the first assigned Captain/Leader of a team from the 48Group as she became the Leader of Team S in October 2008.
- As of October 2019, she has been working as a yoga instructor.