Strike the Blood, Vol. 16 (Light Novel)

Following the most intense battle of his life, a young man washes up on astrange shore. He is found by a swordswoman named Shizuka Kosugaya and informedthat his name is Kojou Akatsuki, and that he is the fourth vampire primogenitor. In the days spent healing his mind and body, the two encounter a third person: Abeautiful girl wielding a silver spear that calls Kojou..."Senpai."