12 titles recommended if you like Otherside Picnic
Flip Flappers
Re:ZERO -Starting Life in Another World-
Gachiakuta
TSUKIMICHI -Moonlit Fantasy-
Bye Bye, Earth
Even Given the Worthless "Appraiser" Class, I'm Actually the Strongest
Fushigi Yugi: The Mysterious Play
The Demon Prince of Momochi House
Tengoku Daimakyo
Jack-of-All-Trades, Party of None
The Faraway Paladin
The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far