High school student Tatsumi lives alone. One day he spots a person while walking by a river. He approaches the figure and discovers a beautiful man collapsed on the ground.
You don't have to do that. 
We can bathe together.
لست مضطرًا للقيام بذلك‏.‏ يمكننا الاغتسال معًا‏.‏
Du musst das nicht tun.
No tienes que hacer eso.
No hace falta que hagas eso.
Tu peux très bien
prendre un bain avec moi.
Não precisa fazer isso. 
Podemos tomar banho juntos.