Saw and SNK version of this recently; just reminding you Dangan Ronpa is also full of some pretty great singers!

Naegi/Komaeda singing

Kirigiri singing

Togami singing

Asahina singing

Fukawa singing

Hagakure singing

Enoshima singing

Oogami singing

Celes singing

Yamada singing

Ishimaru singing

Oowada singing

Fujisaki singing

Kuwata singing

Maizono singing

Hinata singing

Nanami singing

Kuzuryuu singing

Owari singing

Sonia singing

Souda singing

Tanaka singing

Nidai singing

Tsumiki singing

Saionji singing

Mioda singing

Pekoyama singing

Koizumi singing

Hanamura singing

(hover over the links for little notes!)