Maria Watches Over Us 4th Season: Don't Tell Mother Maria.

Maria-sama ga Miteru 4th Season: Maria-sama ni wa Naisho. · マリア様がみてる 4thシーズンマリア様にはないしょ。

Special 11 episodes Finished Spring 2009 ★ AniList 6.6 ★ MAL 7.11

Synopsis

A series of chibi-style shorts included with the Maria-sama ga Miteru 4th Season DVD releases.

Studios: Studio DEEN, The Right Stuf International

Source: LIGHT_NOVEL