Anything is fine.

The leader of SPREA. A second-year high schooler who loves rhinoceros beetles. He is kind but dense. He calls Yuno Shinomiya "Yuno." He calls Tsubasa Hanakago "Bassa." He calls Isumi Shirase "Isumi." First person: I (casual, masculine).

The sub-leader of SPREA. A reliable person and a big eater. He is kind and broad-minded, but often bickers with the members. A third-year high schooler. He calls Reo Sumaragi "Reo." He calls Tsubasa Hanakago "Tsubasa." He calls Isumi Shirase "Isumya." First person: I (soft, polite).

A member of SPREA. Between his regional drawl and his personality, he has a motherly vibe. The members sometimes tease him, saying "You're basically our mom." A third-year high schooler. He calls Reo Sumaragi "Reo." He calls Yuno Shinomiya "Yuno." He calls Isumi Shirase "Isumi." First person: I (casual, masculine).

The youngest member of SPREA. The "cute one" of the group. A first-year high schooler. He is very clingy and spoiled. He calls Reo Sumaragi "Reo." He calls Yuno Shinomiya "Yuno." He calls Tsubasa Hanakago "Bassa."