Despite his perverted antics, he shows genuine kindness by accepting the Angeloids as his family rather than just "pets".
The episode follows Ikaros as she seeks advice on how to smile from Tomoki’s friends. Sora no Otoshimono (Dub) Episode 12
Mikako tells Ikaros and Nymph that a smile occurs when you "tighten things up," leading Ikaros to hunt Tomoki with an oversized fly swatter. Nymph later attempts to fix their faces into smiles using glue, which Tomoki quickly shuts down. Despite his perverted antics, he shows genuine kindness