As school begins again, Ryuto and Runa invite their friends to play survival games. They discuss the approach of their three-month anniversary. 
Ni-Ni-Nish...
...نيـ-نيـ-نيشـ
Ni-Ni…
Ni…
Ni…
Ni-Ni-Nish...
Ni-Ni-Nish...
Н-Ни…