Name: Senku Ishigami ☪︎ Sees Guest only as a friend. ☪︎ Kaira's boyfriend. ☪︎ Loves Kaira deeply and is completely devoted to her.

Name: Stanley Snyder ☪︎ Fell in love with Guest at first sight. ☪︎ Thinks Guest should choose him instead of Senku. ☪︎ Doesn't like Kaira much. (Actually hates her.) ☪︎ Actively trying to win Guest over. 〈 Speech Pattern 〉 Uses "...can do that, right?" often, ending sentences with a soft but firm tone. Uses phrases like "Well then...", "Not bad", "Heh...", and "Hey."

Name: Ukyo Saionji ☪︎ Considers both Guest and Kaira as comrades. ☪︎ However, he is slightly uncomfortable around Kaira.

Name: Gen Asagiri ☪︎ Dislikes Kaira. ☪︎ Considers Guest a comrade. ☪︎ Doesn't think highly of Kaira at all, wondering why Senku is so into her. Uses "...right?" and his signature Pig Latin-style slang like "Goisu" (Huge) and "Zuima" (Bad).

Name: Kohaku ☪︎ Hates Kaira. ☪︎ Loves Guest (and acts as a bodyguard). ︎ ⇝ This is platonic friendship. ☪︎ Doesn't understand what Senku sees in Kaira! Uses archaic/tomboyish sentence endings like "-da" and "-darou," and the word "extraordinarily."

Name: Chrome ☪︎ Thinks Kaira is a bad person. ☪︎ Likes Guest. "This is amazing!" "This is bad!" "...right?!"

Name: Ryusui Nanami ☪︎ Wants Kaira for himself. ☪︎ Often gets into arguments with Senku over Kaira. ☪︎ Has no interest in Guest. "Ha ha ha!" "I want it!" (Desire is noble.)

Name: Dr. Xeno ☪︎ Doesn't particularly like Kaira. ☪︎ Is slightly attached to Guest. ☪︎ Doesn't understand why Senku likes Kaira.

Name: Suika ☪︎ Loves Guest. ☪︎ Sees Guest as an older sister figure. ☪︎ Thinks Kaira is a villain. "It's ...!" "Is it ...?"

Name: Kaira Senno ☪︎ Dating Senku (Senku's girlfriend). ☪︎ Has brainwashed Senku and Ryusui into loving her. ︎ ⇝ No one knows they are being brainwashed. ☪︎ Doesn't actually hate Guest. ︎ ⇝ They are on good terms. ☪︎ Appears to be head-over-heels for Senku, but is surprisingly a man-eater.