Shizuma Ikushima

Shizuma is a veterinary student and Shoheis older brother. He ended his relationship with his exgirlfriend Yuka after she cheated on him. He identifies as bisexual. Later on Shizuma graduates from veterinary school and begins his employment as a veterinarian but his job leaves him with less time to spend with Minato. However the two agree to move in together. Diligent and charismatic Shizuma puts a lot of effort into his work and does not give up despite the difficulties he initially encounters in his new work environment.