If you are someone who likes anime and simulation games then you should definitely download this application called Yandere High School. Yandere High School allows you to play as Sakura and all you have to do is to be in different missions and deliver it successfully for you to move on to the next one. You should kill all your opponents for you to level up. Moreover, after defeating them all, you will be able to confess your love and feelings for your senpai. Lastly, you don't have to worry about anything else because this is designed for free so you can use it as long as you want to. You can introduce this to your friends and family.