Monster Musume: Everyday Life with Monster Girls - Season 1 (2015)

A slime monster invades the home, but Papi befriends her.

A mermaid is introduced to the household and an upset Miia does her best to outdo her.

Mia has to undergo shedding of snake skin. More disturbingly, a director turns up trying to exploit the girls to make a profit from their nudity and possessions.

The Monster Ops Neutralization team is called in when the spider lady Rachnera Arachnera makes off with Kimihito.

Kimihito falls sick and all the girls do their best to care for him.

Kimihito is the subject of threatening letters, which prompts an investigation from Agent Smith - in the form of dates, which prove explosive for him.

Kimihito goes on more dates and encounters an angry forest spirit and an angry boar.

Kimihito is taken for a date by the MON team, then encounters Lala the dullahan, a spirit of death that has come to claim his soul.

All the girls do their utmost to protect Kimihito from Lala.

Some of the girls find out they are gaining weight but since they can't leave to exercise without Kimihito, Smith takes them to a gym suited for Monster Girls.

One morning, the daughter of Rachnera's previous host family, Ren Kunanzuki, shows up with a petition for Rachnera to return to them. However, Ren is quite obsessed with her stubborn attitude that taking in Rachnera constitutes a trial for her patience and capability.