OHI48 21st Single Senbatsu Janken Taikai

OHI48 21st Single Senbatsu Janken Taikai was OHI48's 2nd Janken Competition. The event was held on August 28, 2018 until August 29, 2018.
This event decides the Senbatsu and Center for OHI48's 21st single.
==Selected Members==
#Bianca Morgan Hayter
#Lucy Edwin Jones
#Isla Christi
#Sarah Correia
#Jinny Krusa
#Mayora Yegar
#Madison Kaylix
#Veronica Margareth
#Frida McNeil
#Lexie Kohl
#Eva Marie Elizabet
#Cecilia Scott
#Elnya Willow Abigail
#Quinn Xeris
#Xochitl Dymond Keeler
#Sophia Viela Wan
==Participating Members==
* OHI48: 60 members
**(Team O: 16 members; Team HIII: 15 members; Team I: 16 members; Team US: 14 Members)
*JKV48: 51 members 
**(Team JII: 19 members; JKV48 Trainee: 32 members)
*STE48: 22 members
**(STE48 Trainee: 22 members)
*Total: 133 members
==Tournament Result==
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===Round 1===
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== Trivia ==
* The plan for this tournament was only for one night but due to way too many participants, it was changed to two nights for the tournament.