The Death Game Is All That Saotome-San Has Left - Vol. 1 Ch. 1 - Nothing but an iron ball.

[MangaDex]

 

[Kigol]

Death game? Romance during free time? Mastermind is girl who put herself in danger first for the act?

Is this Danganronpa?

 

[Siranto1]

Even though she's holding a "death" game, she's pretty nice. Wouldn't mind participating in it myself cause it seems to be full of benefits even for spectators

 

[HoangDinh]

she orchestrated it didn't she