Shouta serves as Kaede's ex-boyfriend yet remains part of her social circle, interacting with both her and her dinosaur cohabitant. He possesses an established interest in playing card games. Shouta demonstrates a cordial and cooperative dynamic with the dinosaur during their shared scenes. The series depicts him participating in everyday situations alongside Kaede and the dinosaur, contributing to slice-of-life scenarios. No further details about his background or development across media are provided.