Blue Seed (1994)

S1E11 Irritating! Jealous?! Unbelievable!

Momiji is taken aback when she discovers that Sakura is transferring to her school, and to make matters worse, she sees Sakura bonding with her crush, Kusanagi. As if that weren’t enough, a chilling mystery unfolds as several girls at Momiji’s school are found dead, drained of their blood. Talk about adding to her troubles!