Otoshima Risa was an HKT48 Kenkyuusei. She is now a member of Sashihara Rino's produced idol group =LOVE.
- Hakata kara Tonde kita to yo~
- I flew from Hakata~
- 2016.07.12 - Joined HKT48 as a Kenkyuusei
- 2016.07.21 - Dismissed from the group
- 2017.04.29 - Joined =LOVE
- She is now a member of Sashihara Rino's produced idol group =LOVE
- Likes: Salad, strawberries
- Special skills: Robot dance, eating cute food, hula hoop
- Hobbies: Watching idol videos, shopping, uploading videos to SNS, visiting cosmetics, beauty, reading magazines, making fun.
- Oshimen: Nakai Rika, Tashima Meru.
- Her SHOWROOM Ranking was 3rd Place, and was Entry No. 79.
- Failed AKB48's Team 8 and NMB48'th 5th generation Auditions.
- Was a member of w-Street FUKUOKA before joining HKT48
- Participated in the auditions while still being under another agency, which was not allowed. This came out on July 21, 2016 and she was dismissed from HKT48 on the same day
- She currently holds the shortest time as a HKT48 member. She was in HKT48 for 9 days.
- She has 4 brothers.
- She sang and danced for her audition AKB48's "Heart Gata Virus"
- She is known for liking Iorin's, Hana's and Annya's body.