Rena Kato
With AKB48

Year
No.
Title
Role
Notes
2010
19
"Chance no Junban"
B-side
Her very first single appearance in AKB48. Did not participate in title track.
2011
20
"Sakura no Ki ni Narō"
B-side
Did not participate in title track. Sang on the track "Ougon Center" as Team Kenkyuusei.
2011
21
"Everyday, Katyusha"
B-side
Did not participate in title track. Sang on the track "Anti" as Team Kenkyuusei.
2011
23
"Kaze wa Fuiteiru"
B-side
Did not participate in title track. Sang on the track "Kimi No Senaka" as Undergirls, and on "Tsubomitachi" as Team 4 + Kenkyuusei.
2012
25
"Give Me Five!"
Special Girls A
Did not participate in title track. Sang on the track "New Ship" as part of Special Girls A.
2012
26
"Manatsu no Sounds Good!"
A-side, Selection 10
Her very first participation on an A-side. Also sang on the track "Choudai, Darling!" as part of Selection 10.
2012
27
"Gingham Check"
B-side
Did not rank on the election. Sang on the track "Ano Hi No Fuurin" as Waiting Girls.
2012
28
"Uza"
B-side, New Team B
Did not participate on title track. Sang on the track "Tsugi No Season" as Undergirls, and on "Seigi No Mikata Janai Hero" as New Team B.
2012
29
"Eien Pressure"
B-side, OKL48
Did not participate on title track; lineup was determined by rock-paper-scissors tournament. Sang on "Watashitachi No Reason"; and on "Eien Yori Tsuzuku Yōu Ni" as part of OKL48.
2013
30
"So Long!"
B-side
Did not participate on title track. Sang on the track "Waiting Room" as Undergirls, and on "Sokode Inu no Unchi Funjau Kane?" as Team B.
2013
31
"Sayonara Crawl"
A-side
Also sang on "Romance Kenjuu" as Team B.
2013
33
"Heart Electric"
B-side, Center
Did not participate on title track. Sang on the track "Kaisoku To Doutai Shiryoku" as the center of Undergirls, a duo center with Suda Akari.
2013
34
"Suzukake no Ki no Michi de "Kimi no Hohoemi o Yume ni Miru" to Itte Shimattara Bokutachi no Kankei wa Dō Kawatte Shimau no ka, Bokunari ni Nan-nichi ka Kangaeta Ue de no Yaya Kihazukashii Ketsuron no Yō na Mono"
B-side
Did not participate on title track; lineup was determined by rock-paper-scissors tournament. Sang on the track "Mosh & Dive" as Undergirls, and "Party Is Over" as AKB48 Senbatsu.
2014
35
"Mae Shika Mukanee"
B-side
Did not participate on title track. Sang on the track "Kino Yori Motto Suki" as Undergirls.
2014
36
"Labrador Retriever"
A-side
Also sang on "Heart no Dasshutsu Game" as New Team 4. She is now part of Team 4.
2014
37
"Kokoro no Placard"
B-side
Ranked 32nd in 2014 General Election. Sang on "Dareka ga Nageta Ball" as Undergirls.
2014
38
"Kiboteki Refrain"
A-Side
Also sang on "Me o Akete Mama no First Kiss" as part of Team 4.
2015
39
"Green Flash"
B-side
Sang "Haru no Hikari Chikadzuita Natsu"
2015
40
"Bokutachi wa Tatakawanai"
A-side
-
2015
41
"Halloween Night"
B-side
Did not participate on title track. Ranked 28th in 2015 General Election.
2015
42
"Kuchibiru ni Be My Baby"
A-Side
Also sang on "Madona's Choice" as a part of Renacchi's Senbatsu Sousenkyo and "Kin no Hane wo Motsu Hito yo" as part of Team B.
2016
43
"Kimi wa Melody"
A-side
Marked as the 10th Anniversary Single. Also sang on "LALALA Message" as Next Generation Senbatsu and "Mazariau Mono" as NogizakaAKB.
2016
44
"Tsubasa wa Iranai"
A-side
Sang on "Koi o Suru to Baka o Miru" as Team B.
2016
45
"Love Trip / Shiawase wo Wakenasai"
B-side
Also sang "Densetsu no Sakana" as Under Girls and "Black Flower".
2016
46
"High Tension"
A-side
Sang on "Happy End" as Team B.
2017
47
"Shoot Sign"
A-side
Sang on "Acccident Chū
2017
48
"Negaigoto no Mochigusare"
A-side
-

Question: What year did Rena Kato release "Labrador Retriever," and what role did it have?
Answer: In 2014, Rena Kato's A-side titled "Labrador Retriever" was released.