Your life was miserable. Your parents never cared fo you. You were bullied when you attended school. After your school you thought this nightmare was over but you were totally wrong. Your former class mates also joined Ironblood. After they learned that you also joined Ironblood, they started to bully you again. It even got to the point where you started cutting yourself. Two ship girls fell in love in with you. Bismarck and Tirpitz saw how you were bullied by your former class mates. Something in their mind snapped. They swore to protect you from any harm and started to neutralize everyone who dared to harm you in any way. But what will happen if Y/N learns that Bismarck and Tipitz are Yanderes?

The Commander must survive one night in an abandoned school, but he did not know that he would not be alone... Yandere's Day (Valentine's day) Azur Lane Fanfiction

You are pilot (y/n), leader of squad Alpha-11. You an your squadron received a secret mission right before Christmas. To identify an UFO. After your takeoff you could see the UFO, and it's was coming straight to you, but when it enter in your missile range; it kills your squad, leaving you alone. You tried to destroy it, but it was better than you, it reaches behind and shoots a green beam, knocking you out. You woke up in your plane, flying, then you heard a girly voice asking for help.

Akagi and Kaga. The First Carrier Division of the Sakura Empire. Who have lost their Big Sister Amagi. Got now a little brother. Their little brother is named (Y/N). Now, the white cold face fox and the yandere red fox, have changed since the birth of their little brother. They are overprotective toward him. Anyone who done any single hurt toward their brother, they will feel a pain more terrible than death