Oniichan dakedo Ai sae Areba Kankeinai yo ne!

Synopsis

Hearing his sister's creepy laugh through the wall between their rooms, Akito checks up on Akiko and finds her reading an incestuous novel. Akito was later revealed to be secretly working as a newbie novelist under the alias of Koichiro Shindo, who Akiko is a huge fan of. Anastasia approaches Akito and invites him to have a picnic despite the bad weather. Ginbei checks up on Akito as she is worried about him not being able to make any friends within his class. Wanting to speak to him privately, Arashi calls Akito into the Student Council room during lunch.

(Source: Wikipedia)