Eien Shika Hoshikunai

Sawa Reiji, a famous model, has insomnia due to heartbreak and seeks different partners to sleep with. To avoid any bad rumors about his habit, his company has sent a new model, Eien, to be his bed/sleeping partner. They were ordered to live together, so Sawa reluctantly agreed to the arrangement. Upon arriving at the house, Eien suddenly ‘forces’ himself onto Sawa...?!

(Source: Shinshokan, translated)