Cosplay Animal Vol. 10 (Kodansha, 2020)

Soki, his true nature fully revealed, is engaged in a full-court press on Rika! Before her boyfriend Hajime returns home, she resolves to settle things with her college classmate-and, especially unravel the night she and Soki spent together. But when Hajime returns, Soki challenges him to a duel between men!