(SC2017 Winter) Haikei Onii-sama Yakusoku Owasure Naki You | Dear Onii-sama. Please Don't Forget Our Promise (Kono Subarashii Sekai ni Syukufuku o!)
Kono Subarashii Oujo-sama wa Onii-sama ga Daisuki!! | This Wonderful Princess Loves Her Big Brother a Lot!! (Kono Subarashii Sekai ni Syukufuku o!)
