Charao-kun to Seiso-chan, Alternative : チャラ男くんと清楚ちゃん, Playboy-kun & Neat-chan, NotNTR (Notorare): Seiso-chan and Charaoh-kun., #Kuma to Usagi wa Tomodachide wa Irarenai, #クマとウサギは友達ではいられない, #Bear and Bunny Cannot Be Friends