Synopsis: Girlfriend Who Absolutely Doesn't Want to Take a Bath VS Boyfriend Who Absolutely Wants Her to Take a Bath

Living together with her boyfriend Teppei, Hina is a 23-year-old who is deeply in love with him. However, the couple has differing views when it comes to taking a bath. Teppei prefers that Hina bathes daily, while Hina finds it a hassle to do so. Consequently, Teppei devises different tactics to convince his girlfriend to join him in the bathtub, resulting in them creating beautiful and bubbly memories together.