If you're looking for manga similar to Ikken Cool dakedo Futsuu Kawaii Shinoda-san, you might like these titles.
My classmate Tanaka-san is super scary. I did speak once with that Tanaka-san. She's probably not a bad person, but...
An endearingly clingy girlfriend adores her boyfriend to no end... until she's at home, where she begrudgingly has to be prim and proper as best as she can. However, she loves him too much to keep the pretense. Can she keep it up?
Usami-chan has always wanted a pair of rabbit ears, and she finally managed to have a pair grafted. Will Mikura-kun think she's cute? But there's just one problem... she's suddenly become very 'sensitive'.
Komine is an ordinary grade-school kid who is at the top of his class. And for good reason - after dying, this is actually his second run at life. Knowing everything from upcoming class subjects to future events, Komine naturally excels at whatever he does.… and then there’s Sarara Miyano, Komine’s classmate. The last time he was in school, he was despised by her because of some foolish actions he took in the past. But now that he’s mentally older and wiser, maybe he can turn things around?