Ticket distribution: until December 15, 23:59 (JP time)
Ticket redemption: until December 22, 23:59 (JP time)
You still have time to decide.
For anyone who doesn't care about the characters (you monster!) and just wants a strong unit, Ibaraki is probably the best pick. Level up their skill and watch enemies get wrecked whenever critical (4* dmg) + herculean strength (2.3*dmg) trigger in tandem>>4937
He means it will rotate out, meaning it will close after some time like the other event shops.