1st story - Incest. Mangaka younger brother x Freeter older brother
2nd story - childhood friends. One likes collecting and using adult toys x an uke that just wants to get the D already
3rd story - strangers. Transport delivery guy x hitch-hiker.
4th story - supernatural. Ghost x ryoukan owner.
Overall ratings:
Plot:
Smut:
Fluff:
Ore no Otouto no Honjitsu no Onedari