Seraph of the End (2015)

S1E12 Everyone's a Sinner

After five days in a coma, Shinoa approaches Guren, questioning him about the unusual medication Yu has been given. Guren suggests that if she truly cares for Yu, she should simply wait for him to awaken. On the seventh day, Yu finally regains consciousness and learns that Mika has withdrawn with the other vampires. Once reunited with his friends, Yu expresses his gratitude and offers his apologies. In a poignant moment at the episode's conclusion, both Yu and Mika vow to rescue one another, solidifying their deep bond.