Kibouteki Refrain／A Dialogue with a Walnut

Kibouteki Refrain / A Dialogue with a Walnut is the twenty-eight single released by OHI48. and their first double A-side single. It is the first single released after the mass resignations of 25 members.
==Tracklist==
CD
#Kibouteki Refrain (Refrain Full of Hope) / Kibouteki Refrain Senbatsu
#A Dialogue with a Walnut / A Dialogue with a Walnut Senbatsu
#Shiawase wo Wakenasai (Share Your Happiness) / Sunshine Senbatsu
#Kibouteki Refrain (off-vocal)
#A Dialogue with a Walnut (off-vocal)
#Shiawase wo Wakenasai (off-vocal)
==Included Members==
==="Kibouteki Refrain"===
★ Kibouteki Refrain Senbatsu (22 Members) (Emma Dashwood & Ocean Mist Center)
* Team O: Emily Kawira, Helena Angelica Christy Jones, Luna Musana, Raquel Kai Maika, Sofia Vaatu Wan, Veronica Margareth.
* Team HIII: Alicia Martha, Audrey Savior, Emma Dashwood, Ivory Abigail Ruth, Jinny Krusa, Ocean Mist, Sasha Varnada Marlsa, Siobhan Bernadette Finneras Thompson.
* Team I: Eva Marie Elizabet, Felicia Giselle, Gracia Naomi McCarthy, Iris Ephidia, Madison Kaylix, Olivia Tiennot.
==="A Dialogue with a Walnut"===
★ A Dialogue with a Walnut Senbatsu (22 Members) (Cassandra Mionet Rose Lee Anne Elizabeth McKay & Lucy Edwin Jones Center)
* Team O: Anne Marie, Carolina Emilia, Carolina Evans, Ivy Borealis, Kelly Honey Mortia Lurna Dean, Lucy Edwin Jones, Violet Parker Mailid.
* Team HIII: Asta Calista, Caroline Evans, Jennette McCunly, Talia Dolin, Trinity Mendes.
* Team I: Ashley Elizabeth Clarissa, Cameron Unstel, Carrisa Volta Izira, Cassandra Mionet Rose Lee Anne Elizabeth McKay, Cleo Patra Pella, Louise Vezkana, Rebecca Von Melaski, Taylor Cater, Vannessa Sisterina.
* Team SII: Trini Quin.
==="Shiawase wo Wakenasai"===
Sunshine Senbatsu (選抜) (12 Members) (Ocean Mist Center)
* Team O: Carolina Emilia, Ivy Borealis, Jessie Burden, Lucy Edwin Jones.
* Team HIII: Emma Dashwood, Jennette McCunly, Ocean Mist, Talia Dolin.
* Team I: Cassandra Mionet Rose Lee Anne Elizabeth McKay, Gracia Naomi McCarthy, Iris Ephidia, Louise Vezkana.
== Trivia ==