Toilet-bound Hanako-kun, Vol. 5 Aidalro (2020)

When Nene is invited by the enigmatic playboy Natsuhiko to a dubious but strangely enjoyable tea party, she meets Hanako-kuns girlfriend and little brother. She also learns that one of her classmates may actually be a School Mystery, but she does not know which one. Hanako offers to help, but how far will he go to lure this supernatural being out of hiding?