Ryokan Shirasagi
English title: Swallowtail Inn
Japanese title: 旅館白鷺
Alternative titles: Shirakigi Hotel, White Heron Inn
Type: OVA
Source: Visual novel
Episodes: 2
Status: Finished Airing
Aired: Jun 27, 2003 to Apr 30, 2004
Duration: 29 min per ep
Rating: Rx - Hentai
Studios: AT-2
Producers: Discovery
Licensors: Media Blasters
Genres: Hentai

Yuriko is running her dead husband's inn, which isn't doing too good financially, so she needs to provide customers with a special kind of service. One day, an injured man, who can't remember who he is, ends up staying in the inn. Although Yuriko, who develops feelings for him, tries to keep her extra work duties a secret, he finds out and actually helps her... helps her in becoming much better in providing the service that is. 

(Source: AniDB)