Ah! My Goddess, Volume 4: We've Got Tonight
The days never grow long at the Morisato residence, where Skuld builds a robot to protect Belldandy from Keiichi's hesitent advances.  Unfortunatly, when the robot itself falls in love with everyone's favorite goddess, it won't let anyone near her.  Then the gang heads to the beach for summer break, and Urd pulls out two of her favorite things: swimsuits and love schemes.  Keiichi gets a mission, if he can't kiss Belldandy on the moonlit beach, he'll won't be able to be with her forever!