Zettai ni Furo ni Hairitakunai Kanojo VS Zettai ni Furo ni Iretai Kareshi - Vol. 1 Ch. 13 - Peppermint

[MangaDex]

 

[EchoGirl]

Cute, tho might be a pain to remove that from the bath after unless they don't have to worry about clogged drains. or the bathtub would have some kinda 'garbage disposal' button like sinks do but apparently that's uncommon outside of america too