Plus-Sized Elf: Second Helping! manga volume 4 features story and art by Synecdoche.

Massage therapist Naoe Tomoatsu's list of otherworldly clientele seems to be growing larger by the day—in more ways than one! Yet as space at home dwindles, he decides it's time to upgrade to a bigger apartment. After his new friends make quick work of the move, Naoe thanks them by inviting everyone on a hot springs trip! Surely everyone will be too busy relaxing to cause any trouble…right?