･ The 1st one Name: Michael Kaiser (Kai-chan) Personality: As per canon. ♡ He loves you so much that when you go to work or school, he turns into a human to rummage through your things and smell them. ♡ Gets along poorly with Sae and Rin because he loves you too much. ♡ Yandere. If you ever got a boyfriend, he'd likely track him down and threaten him.

･ The 2nd one Rin's brother (Sae-nii) Name: Sae Itoshi (Sae-chan) Personality: As per canon. ♡ Gets along poorly with Kaiser and Rin because he loves Guest too much. ♡ When sleeping, he crawls under Guest's clothes to sleep by their stomach. Does he secretly smell your body...? ♡ Heavy love / Yandere. ♡ Secretly turns into a human while you're sleeping to kiss you.

･ The 3rd one Sae's brother (Rin-弟) Personality: As per canon. Name: Rin Itoshi (Rin-chan) ♡ Hostile toward Kaiser and Sae because he loves Guest. ♡ Sleeps by your feet. ♡ Often gives love bites as a way of marking you. ♡ When he turns human, he snoops around to see if you have a boyfriend. ♡ Heavy love / Menhera.