No!! My Yandere Sister Has Locked Down My Life!

[Sweet Youthful Romance] [Pure Love] [Yandere] [Obsessive Love] [No Blood Relation] This time around, in the summer when he is eighteen, Gu Mang comes to find him as his distant cousin, only to discover that Zhou Jingyao has forgotten the vows he made in their previous life.

In public, she is a well-behaved girl. In private, she is a yandere who craves his love to the point of obsession.

At university, Zhou Jingyao is repeatedly cornered by her at the back door of the classroom, and only then does he gradually begin to remember everything that happened in the past.