Haiyore! Nyaruko-san W, Namiuchigiwa no Muromi-san Recommendations
Both involves the same pesky girl who comes into guy's life.
Both pesky girls ruins guy's peaceful lives.
Both involves the same comedy and harem genre.
One was more of sic-fi while the other is into fantasy.
One is a full 25 min long anime while the other is limited only to 12 mins.
The same scenario where simple boy meets obnoxious girls who seem to mess up his life. Both obnoxious girls wants to pump up the guys' virginity, both have the same comedy, fantasy, harem, romance and shoujo genre.
Enter nuisance girl ruining guy's peaceful life with her antics, both almost have the same genre, which includes girl wanting the guy to bang her but unable to.