Honkai Impact: If Line, I Was Captured

Once his fetus collapsed, and he had no side effects, Mo Yu decided not to participate in the main plot, and strived to survive to the end and find a girl he liked to spend the rest of his life! When it comes to a safe place, St. Freya Academy should be considered a safe place. When Mo Yu took up the position of mathematics teacher as he wished, he did not know that what was about to appear next was... Mei from the Changkong City Redemption World Line, Bronya and Seele from the Orphanage Big Brother World Line, Hollander and Rita from the Childhood Sweethearts World Line, Teresa from the Destiny Bishop World Line, Himeko from the Academy Teacher World Line, and Kiana from the Sky Vault City Redemption World Line...