|Birthdate||March 15, 2001|
|Birthplace||Tainai, Niigata, Japan|
|Current Age||18 Years Old|
|Social Networks||Instagram / Twitter|
|Idol Career Info|
|Former Team||1st Generation|
|Debuted||August, 2015 / 1st Generation|
- Joined NGT48 as part of the first generation after passing the auditions in July.
- On August 21, was officially revealed as a member.
- On January 10, was promoted to Team NIII (Team NIII formation).
- Released on March 9, Rena participated in her first song for Max Toki 315go on the 43rd AKB48 single Kimi wa Melody.
- Released on April 12, was chosen for her first senbatsu position in NGT48's first single, Seishun Dokei.
- On April 13, during the NGT48 Solo concert, affiliation to Team G was announced (Team G formation).
- Became a member on the Korean survival show Produce 48.
- Ranked in class D after the initial evaluation.
- Ranked in class F after the re-evaluation.
- Performed AoA's "Short Hair" during the first evaluation round. Her position was sub-vocal 2. Her team lost, with Rena gaining 50 votes in total from the live audience.
- Was eliminated in Episode 5 at 71st place with 47,766 votes.
- On June 18, placed in the General Election for the first time at #77.
- On April 21, during the final performance of Team G's Saka Agari stage, announced her graduation alongside Yamaguchi Maho and Sugahara Riko.
- On April 18, will have her graduation performance. No other members will be present except for Yamaguchi Maho and Sugahara Riko.
- On June 10, it was announced she would join Tokyo-based seiyuu agency Crocodile starting from that date.
AKB48 Senbatsu Elections
- 8th Senbatsu Election - Not Ranked
- 9th Senbatsu Election - Not Ranked
- 10th Senbatsu Election - #77 (Upcoming Girls)
- NGT48 Kenkyuusei → Team NIII → Team G → 1st Generation → Graduation
- Joined NGT48 as a Kenkyuusei on July 20, 2015
- Promoted to Team NIII on January 10, 2016 (Team NIII Formation)
- Transferred to Team G on April 13, 2018 (NGT48 Team Shuffle)
- Transferred to 1st Generation on April 21, 2019
- Graduated from NGT48 1st Generation on May 19, 2019 (Announcement: April 21, 2019)
- Junjo Yoroshiku (Seishun Dokei)
- Kurayami Motomu (Seishun Dokei)
- Boku no Namida wa Nagarenai (Sekai wa Doko Made Aozora na no ka?)
- Otona ni Naru Mae ni (Sekai wa Doko Made Aozora na no ka?)
- Nani ka ga Iru (Sekai wa Doko Made Aozora na no ka?)
- Hansei Soda (Haru wa Doko kara kuru no ka?)
- Soft Serve (Sekai no Hito e)
- Kokoro ni Taiyou (Sekai no Hito e)
- Max Toki 315go (Kimi wa Melody)
- Kimi wa Doko ni Iru? (Tsubasa wa Iranai)
- Midori to Mori no Undokouen (Shoot Sign)
- Tomodachi de Imashou (Jabaja)
- Hitonatsu no Dekigoto (Sentimental Train)
- Mimi wo Fusage! (NO WAY MAN)
- Hobbies: Watching baseball
- Special skill: Baseball
- Favorite food: Ramen, Cherries, Watermelon
- Favorite words: "No matter what the task, I will do my best."
- One-line message: "Please cheer me on so that I can work hard!"
- She's been in her town's Baseball group for 6 years, until her 3rd year of Middle School.
- She is known for her athletic features, such as high jump and strong arms.
- Her favorite store in Tainai is Masaya, a bakery.
- Finished in 71st place on Produce 48
Hasegawa Rena (2019)
Hasegawa Rena (Christmas 2018)
Hasegawa Rena 10th Senbatsu Election Poster (2018)
Hasegawa Rena (2018)
Hasegawa Rena (Christmas 2017)
Hasegawa Rena 9th Senbatsu Election Poster (2017)
Hasegawa Rena (2017)
Hasegawa Rena (December 2016)
Hasegawa Rena 8th Senbatsu Election Poster (2016)
Hasegawa Rena (2016)
Hasegawa Rena (2015)
Hasegawa Rena (Debut)